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Finding the Fourth Proportional to 92,362.86, 138,550.14 and 39,044.90

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Solution

The fourth proportional to 92,362.86, 138,550.14 and 39,044.90 is: 58,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,362.86 : 138,550.14 = 39,044.90 : x
  2. Step 2: Convert to fraction form
    92,362.86/138,550.14 = 39,044.90/x
  3. Step 3: Cross multiply
    92,362.86x = 138,550.14 × 39,044.90
  4. Step 4: Simplify right side
    92,362.86x = 5,409,676,361.29
  5. Step 5: Solve for x
    x = 5,409,676,361.29/92,362.86
  6. Step 6: Final answer
    x = 58,569.82

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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.