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Finding the Fourth Proportional to 92,590.76, 138,822.96 and 44,534

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Solution

The fourth proportional to 92,590.76, 138,822.96 and 44,534 is: 66,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,590.76 : 138,822.96 = 44,534 : x
  2. Step 2: Convert to fraction form
    92,590.76/138,822.96 = 44,534/x
  3. Step 3: Cross multiply
    92,590.76x = 138,822.96 × 44,534
  4. Step 4: Simplify right side
    92,590.76x = 6,182,341,700.64
  5. Step 5: Solve for x
    x = 6,182,341,700.64/92,590.76
  6. Step 6: Final answer
    x = 66,770.61

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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.