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Finding the Fourth Proportional to 92,566.55, 138,850.28 and 22,445.86

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Solution

The fourth proportional to 92,566.55, 138,850.28 and 22,445.86 is: 33,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,566.55 : 138,850.28 = 22,445.86 : x
  2. Step 2: Convert to fraction form
    92,566.55/138,850.28 = 22,445.86/x
  3. Step 3: Cross multiply
    92,566.55x = 138,850.28 × 22,445.86
  4. Step 4: Simplify right side
    92,566.55x = 3,116,613,767.87
  5. Step 5: Solve for x
    x = 3,116,613,767.87/92,566.55
  6. Step 6: Final answer
    x = 33,668.90

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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.