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Finding the Fourth Proportional to 88,792.80, 133,215.12 and 41,398.08

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Solution

The fourth proportional to 88,792.80, 133,215.12 and 41,398.08 is: 62,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,792.80 : 133,215.12 = 41,398.08 : x
  2. Step 2: Convert to fraction form
    88,792.80/133,215.12 = 41,398.08/x
  3. Step 3: Cross multiply
    88,792.80x = 133,215.12 × 41,398.08
  4. Step 4: Simplify right side
    88,792.80x = 5,514,850,194.97
  5. Step 5: Solve for x
    x = 5,514,850,194.97/88,792.80
  6. Step 6: Final answer
    x = 62,109.20

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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.