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Finding the Fourth Proportional to 110,681.97, 152,740.40 and 62,935.32

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Solution

The fourth proportional to 110,681.97, 152,740.40 and 62,935.32 is: 86,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,681.97 : 152,740.40 = 62,935.32 : x
  2. Step 2: Convert to fraction form
    110,681.97/152,740.40 = 62,935.32/x
  3. Step 3: Cross multiply
    110,681.97x = 152,740.40 × 62,935.32
  4. Step 4: Simplify right side
    110,681.97x = 9,612,764,872.55
  5. Step 5: Solve for x
    x = 9,612,764,872.55/110,681.97
  6. Step 6: Final answer
    x = 86,850.32

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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.