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Finding the Fourth Proportional to 92,588.97, 138,903.96 and 29,428.41

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Solution

The fourth proportional to 92,588.97, 138,903.96 and 29,428.41 is: 44,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,588.97 : 138,903.96 = 29,428.41 : x
  2. Step 2: Convert to fraction form
    92,588.97/138,903.96 = 29,428.41/x
  3. Step 3: Cross multiply
    92,588.97x = 138,903.96 × 29,428.41
  4. Step 4: Simplify right side
    92,588.97x = 4,087,723,316.75
  5. Step 5: Solve for x
    x = 4,087,723,316.75/92,588.97
  6. Step 6: Final answer
    x = 44,149.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.