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Finding the Fourth Proportional to 109,759.71, 151,468.65 and 59,458.71

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Solution

The fourth proportional to 109,759.71, 151,468.65 and 59,458.71 is: 82,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,759.71 : 151,468.65 = 59,458.71 : x
  2. Step 2: Convert to fraction form
    109,759.71/151,468.65 = 59,458.71/x
  3. Step 3: Cross multiply
    109,759.71x = 151,468.65 × 59,458.71
  4. Step 4: Simplify right side
    109,759.71x = 9,006,130,534.44
  5. Step 5: Solve for x
    x = 9,006,130,534.44/109,759.71
  6. Step 6: Final answer
    x = 82,053.16

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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.