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Finding the Fourth Proportional to 133,085.92, 198,150.92 and 131,225.92

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Solution

The fourth proportional to 133,085.92, 198,150.92 and 131,225.92 is: 195,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,085.92 : 198,150.92 = 131,225.92 : x
  2. Step 2: Convert to fraction form
    133,085.92/198,150.92 = 131,225.92/x
  3. Step 3: Cross multiply
    133,085.92x = 198,150.92 × 131,225.92
  4. Step 4: Simplify right side
    133,085.92x = 26,002,536,775.85
  5. Step 5: Solve for x
    x = 26,002,536,775.85/133,085.92
  6. Step 6: Final answer
    x = 195,381.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.