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Finding the Fourth Proportional to 92,665.53, 138,945.63 and 36,475.18

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Solution

The fourth proportional to 92,665.53, 138,945.63 and 36,475.18 is: 54,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,665.53 : 138,945.63 = 36,475.18 : x
  2. Step 2: Convert to fraction form
    92,665.53/138,945.63 = 36,475.18/x
  3. Step 3: Cross multiply
    92,665.53x = 138,945.63 × 36,475.18
  4. Step 4: Simplify right side
    92,665.53x = 5,068,066,864.46
  5. Step 5: Solve for x
    x = 5,068,066,864.46/92,665.53
  6. Step 6: Final answer
    x = 54,692.04

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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.