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Finding the Fourth Proportional to 148,550.87, 205,026.39 and 88,154.79

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Solution

The fourth proportional to 148,550.87, 205,026.39 and 88,154.79 is: 121,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,550.87 : 205,026.39 = 88,154.79 : x
  2. Step 2: Convert to fraction form
    148,550.87/205,026.39 = 88,154.79/x
  3. Step 3: Cross multiply
    148,550.87x = 205,026.39 × 88,154.79
  4. Step 4: Simplify right side
    148,550.87x = 18,074,058,354.91
  5. Step 5: Solve for x
    x = 18,074,058,354.91/148,550.87
  6. Step 6: Final answer
    x = 121,669.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.