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Finding the Fourth Proportional to 148,149.97, 204,448.19 and 86,932.77

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Solution

The fourth proportional to 148,149.97, 204,448.19 and 86,932.77 is: 119,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,149.97 : 204,448.19 = 86,932.77 : x
  2. Step 2: Convert to fraction form
    148,149.97/204,448.19 = 86,932.77/x
  3. Step 3: Cross multiply
    148,149.97x = 204,448.19 × 86,932.77
  4. Step 4: Simplify right side
    148,149.97x = 17,773,247,585.35
  5. Step 5: Solve for x
    x = 17,773,247,585.35/148,149.97
  6. Step 6: Final answer
    x = 119,967.95

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1.5x scale

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.