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Finding the Fourth Proportional to 127,551.92, 176,023.25 and 70,197.85

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Solution

The fourth proportional to 127,551.92, 176,023.25 and 70,197.85 is: 96,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,551.92 : 176,023.25 = 70,197.85 : x
  2. Step 2: Convert to fraction form
    127,551.92/176,023.25 = 70,197.85/x
  3. Step 3: Cross multiply
    127,551.92x = 176,023.25 × 70,197.85
  4. Step 4: Simplify right side
    127,551.92x = 12,356,452,819.90
  5. Step 5: Solve for x
    x = 12,356,452,819.90/127,551.92
  6. Step 6: Final answer
    x = 96,873.91

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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.