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Finding the Fourth Proportional to 85,036.92, 127,472.67 and 40,652.16

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Solution

The fourth proportional to 85,036.92, 127,472.67 and 40,652.16 is: 60,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.92 : 127,472.67 = 40,652.16 : x
  2. Step 2: Convert to fraction form
    85,036.92/127,472.67 = 40,652.16/x
  3. Step 3: Cross multiply
    85,036.92x = 127,472.67 × 40,652.16
  4. Step 4: Simplify right side
    85,036.92x = 5,182,039,376.47
  5. Step 5: Solve for x
    x = 5,182,039,376.47/85,036.92
  6. Step 6: Final answer
    x = 60,938.70

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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.