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Finding the Fourth Proportional to 159,521.92, 220,125.21 and 94,100.55

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Solution

The fourth proportional to 159,521.92, 220,125.21 and 94,100.55 is: 129,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,521.92 : 220,125.21 = 94,100.55 : x
  2. Step 2: Convert to fraction form
    159,521.92/220,125.21 = 94,100.55/x
  3. Step 3: Cross multiply
    159,521.92x = 220,125.21 × 94,100.55
  4. Step 4: Simplify right side
    159,521.92x = 20,713,903,329.87
  5. Step 5: Solve for x
    x = 20,713,903,329.87/159,521.92
  6. Step 6: Final answer
    x = 129,849.89

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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.