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Finding the Fourth Proportional to 85,037.92, 127,474.17 and 40,653.16

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Solution

The fourth proportional to 85,037.92, 127,474.17 and 40,653.16 is: 60,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,037.92 : 127,474.17 = 40,653.16 : x
  2. Step 2: Convert to fraction form
    85,037.92/127,474.17 = 40,653.16/x
  3. Step 3: Cross multiply
    85,037.92x = 127,474.17 × 40,653.16
  4. Step 4: Simplify right side
    85,037.92x = 5,182,227,828.88
  5. Step 5: Solve for x
    x = 5,182,227,828.88/85,037.92
  6. Step 6: Final answer
    x = 60,940.20

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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.