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Finding the Fourth Proportional to 92,543.35, 138,872.13 and 36,373.60

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Solution

The fourth proportional to 92,543.35, 138,872.13 and 36,373.60 is: 54,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,543.35 : 138,872.13 = 36,373.60 : x
  2. Step 2: Convert to fraction form
    92,543.35/138,872.13 = 36,373.60/x
  3. Step 3: Cross multiply
    92,543.35x = 138,872.13 × 36,373.60
  4. Step 4: Simplify right side
    92,543.35x = 5,051,279,307.77
  5. Step 5: Solve for x
    x = 5,051,279,307.77/92,543.35
  6. Step 6: Final answer
    x = 54,582.84

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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.