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Finding the Fourth Proportional to 160,131.84, 220,835.04 and 96,358.92

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Solution

The fourth proportional to 160,131.84, 220,835.04 and 96,358.92 is: 132,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.84 : 220,835.04 = 96,358.92 : x
  2. Step 2: Convert to fraction form
    160,131.84/220,835.04 = 96,358.92/x
  3. Step 3: Cross multiply
    160,131.84x = 220,835.04 × 96,358.92
  4. Step 4: Simplify right side
    160,131.84x = 21,279,425,952.56
  5. Step 5: Solve for x
    x = 21,279,425,952.56/160,131.84
  6. Step 6: Final answer
    x = 132,886.91

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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.