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Finding the Fourth Proportional to 221,471.53, 332,234.70 and 79,332.06

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Solution

The fourth proportional to 221,471.53, 332,234.70 and 79,332.06 is: 119,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,471.53 : 332,234.70 = 79,332.06 : x
  2. Step 2: Convert to fraction form
    221,471.53/332,234.70 = 79,332.06/x
  3. Step 3: Cross multiply
    221,471.53x = 332,234.70 × 79,332.06
  4. Step 4: Simplify right side
    221,471.53x = 26,356,863,154.48
  5. Step 5: Solve for x
    x = 26,356,863,154.48/221,471.53
  6. Step 6: Final answer
    x = 119,007.91

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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.