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Finding the Fourth Proportional to 95,964.30, 143,946.45 and 84,300.30

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Solution

The fourth proportional to 95,964.30, 143,946.45 and 84,300.30 is: 126,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,964.30 : 143,946.45 = 84,300.30 : x
  2. Step 2: Convert to fraction form
    95,964.30/143,946.45 = 84,300.30/x
  3. Step 3: Cross multiply
    95,964.30x = 143,946.45 × 84,300.30
  4. Step 4: Simplify right side
    95,964.30x = 12,134,728,918.94
  5. Step 5: Solve for x
    x = 12,134,728,918.94/95,964.30
  6. Step 6: Final answer
    x = 126,450.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.