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Finding the Fourth Proportional to 244,381.80, 366,572.70 and 86,626.20

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Solution

The fourth proportional to 244,381.80, 366,572.70 and 86,626.20 is: 129,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,381.80 : 366,572.70 = 86,626.20 : x
  2. Step 2: Convert to fraction form
    244,381.80/366,572.70 = 86,626.20/x
  3. Step 3: Cross multiply
    244,381.80x = 366,572.70 × 86,626.20
  4. Step 4: Simplify right side
    244,381.80x = 31,754,800,024.74
  5. Step 5: Solve for x
    x = 31,754,800,024.74/244,381.80
  6. Step 6: Final answer
    x = 129,939.30

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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.