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Finding the Fourth Proportional to 61,486.70, 92,230.05 and 55,946.30

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Solution

The fourth proportional to 61,486.70, 92,230.05 and 55,946.30 is: 83,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.70 : 92,230.05 = 55,946.30 : x
  2. Step 2: Convert to fraction form
    61,486.70/92,230.05 = 55,946.30/x
  3. Step 3: Cross multiply
    61,486.70x = 92,230.05 × 55,946.30
  4. Step 4: Simplify right side
    61,486.70x = 5,159,930,046.32
  5. Step 5: Solve for x
    x = 5,159,930,046.32/61,486.70
  6. Step 6: Final answer
    x = 83,919.45

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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.