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Finding the Fourth Proportional to 272,147.77, 408,227.27 and 99,033.58

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Solution

The fourth proportional to 272,147.77, 408,227.27 and 99,033.58 is: 148,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,147.77 : 408,227.27 = 99,033.58 : x
  2. Step 2: Convert to fraction form
    272,147.77/408,227.27 = 99,033.58/x
  3. Step 3: Cross multiply
    272,147.77x = 408,227.27 × 99,033.58
  4. Step 4: Simplify right side
    272,147.77x = 40,428,208,001.73
  5. Step 5: Solve for x
    x = 40,428,208,001.73/272,147.77
  6. Step 6: Final answer
    x = 148,552.41

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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.