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Finding the Fourth Proportional to 92,402.65, 138,607.44 and 41,792.05

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Solution

The fourth proportional to 92,402.65, 138,607.44 and 41,792.05 is: 62,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,402.65 : 138,607.44 = 41,792.05 : x
  2. Step 2: Convert to fraction form
    92,402.65/138,607.44 = 41,792.05/x
  3. Step 3: Cross multiply
    92,402.65x = 138,607.44 × 41,792.05
  4. Step 4: Simplify right side
    92,402.65x = 5,792,689,062.85
  5. Step 5: Solve for x
    x = 5,792,689,062.85/92,402.65
  6. Step 6: Final answer
    x = 62,689.64

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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.