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Finding the Fourth Proportional to 109,713.39, 151,403.60 and 59,412.39

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Solution

The fourth proportional to 109,713.39, 151,403.60 and 59,412.39 is: 81,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.39 : 151,403.60 = 59,412.39 : x
  2. Step 2: Convert to fraction form
    109,713.39/151,403.60 = 59,412.39/x
  3. Step 3: Cross multiply
    109,713.39x = 151,403.60 × 59,412.39
  4. Step 4: Simplify right side
    109,713.39x = 8,995,248,676.52
  5. Step 5: Solve for x
    x = 8,995,248,676.52/109,713.39
  6. Step 6: Final answer
    x = 81,988.62

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