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Finding the Fourth Proportional to 146,710.70, 220,066.05 and 95,972.30

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Solution

The fourth proportional to 146,710.70, 220,066.05 and 95,972.30 is: 143,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.70 : 220,066.05 = 95,972.30 : x
  2. Step 2: Convert to fraction form
    146,710.70/220,066.05 = 95,972.30/x
  3. Step 3: Cross multiply
    146,710.70x = 220,066.05 × 95,972.30
  4. Step 4: Simplify right side
    146,710.70x = 21,120,244,970.42
  5. Step 5: Solve for x
    x = 21,120,244,970.42/146,710.70
  6. Step 6: Final answer
    x = 143,958.45

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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.