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Finding the Fourth Proportional to 92,545.22, 138,874.94 and 36,375.48

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Solution

The fourth proportional to 92,545.22, 138,874.94 and 36,375.48 is: 54,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,545.22 : 138,874.94 = 36,375.48 : x
  2. Step 2: Convert to fraction form
    92,545.22/138,874.94 = 36,375.48/x
  3. Step 3: Cross multiply
    92,545.22x = 138,874.94 × 36,375.48
  4. Step 4: Simplify right side
    92,545.22x = 5,051,642,602.47
  5. Step 5: Solve for x
    x = 5,051,642,602.47/92,545.22
  6. Step 6: Final answer
    x = 54,585.67

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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.