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Finding the Fourth Proportional to 73,688.52, 101,686.98 and 41,857.32

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Solution

The fourth proportional to 73,688.52, 101,686.98 and 41,857.32 is: 57,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688.52 : 101,686.98 = 41,857.32 : x
  2. Step 2: Convert to fraction form
    73,688.52/101,686.98 = 41,857.32/x
  3. Step 3: Cross multiply
    73,688.52x = 101,686.98 × 41,857.32
  4. Step 4: Simplify right side
    73,688.52x = 4,256,344,461.69
  5. Step 5: Solve for x
    x = 4,256,344,461.69/73,688.52
  6. Step 6: Final answer
    x = 57,761.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.