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Finding the Fourth Proportional to 92,602.38, 138,808.22 and 36,419.71

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Solution

The fourth proportional to 92,602.38, 138,808.22 and 36,419.71 is: 54,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,602.38 : 138,808.22 = 36,419.71 : x
  2. Step 2: Convert to fraction form
    92,602.38/138,808.22 = 36,419.71/x
  3. Step 3: Cross multiply
    92,602.38x = 138,808.22 × 36,419.71
  4. Step 4: Simplify right side
    92,602.38x = 5,055,355,118.02
  5. Step 5: Solve for x
    x = 5,055,355,118.02/92,602.38
  6. Step 6: Final answer
    x = 54,592.06

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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.