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Finding the Fourth Proportional to 110,549.93, 152,559.42 and 62,805.90

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Solution

The fourth proportional to 110,549.93, 152,559.42 and 62,805.90 is: 86,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,549.93 : 152,559.42 = 62,805.90 : x
  2. Step 2: Convert to fraction form
    110,549.93/152,559.42 = 62,805.90/x
  3. Step 3: Cross multiply
    110,549.93x = 152,559.42 × 62,805.90
  4. Step 4: Simplify right side
    110,549.93x = 9,581,631,833.59
  5. Step 5: Solve for x
    x = 9,581,631,833.59/110,549.93
  6. Step 6: Final answer
    x = 86,672.43

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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.