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Finding the Fourth Proportional to 144,079.97, 216,147.96 and 55,326.95

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Solution

The fourth proportional to 144,079.97, 216,147.96 and 55,326.95 is: 83,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,079.97 : 216,147.96 = 55,326.95 : x
  2. Step 2: Convert to fraction form
    144,079.97/216,147.96 = 55,326.95/x
  3. Step 3: Cross multiply
    144,079.97x = 216,147.96 × 55,326.95
  4. Step 4: Simplify right side
    144,079.97x = 11,958,806,294.78
  5. Step 5: Solve for x
    x = 11,958,806,294.78/144,079.97
  6. Step 6: Final answer
    x = 83,001.17

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1.5x scale

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.