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Finding the Fourth Proportional to 92,141.38, 138,124.50 and 36,017.47

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Solution

The fourth proportional to 92,141.38, 138,124.50 and 36,017.47 is: 53,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,141.38 : 138,124.50 = 36,017.47 : x
  2. Step 2: Convert to fraction form
    92,141.38/138,124.50 = 36,017.47/x
  3. Step 3: Cross multiply
    92,141.38x = 138,124.50 × 36,017.47
  4. Step 4: Simplify right side
    92,141.38x = 4,974,895,035.02
  5. Step 5: Solve for x
    x = 4,974,895,035.02/92,141.38
  6. Step 6: Final answer
    x = 53,991.97

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1.5x scale

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.