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Finding the Fourth Proportional to 137,885.97, 207,003.95 and 117,240.69

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Solution

The fourth proportional to 137,885.97, 207,003.95 and 117,240.69 is: 176,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,885.97 : 207,003.95 = 117,240.69 : x
  2. Step 2: Convert to fraction form
    137,885.97/207,003.95 = 117,240.69/x
  3. Step 3: Cross multiply
    137,885.97x = 207,003.95 × 117,240.69
  4. Step 4: Simplify right side
    137,885.97x = 24,269,285,930.73
  5. Step 5: Solve for x
    x = 24,269,285,930.73/137,885.97
  6. Step 6: Final answer
    x = 176,009.83

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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.