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Finding the Fourth Proportional to 224,720.40, 337,226.40 and 129,950.40

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Solution

The fourth proportional to 224,720.40, 337,226.40 and 129,950.40 is: 195,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,720.40 : 337,226.40 = 129,950.40 : x
  2. Step 2: Convert to fraction form
    224,720.40/337,226.40 = 129,950.40/x
  3. Step 3: Cross multiply
    224,720.40x = 337,226.40 × 129,950.40
  4. Step 4: Simplify right side
    224,720.40x = 43,822,705,570.56
  5. Step 5: Solve for x
    x = 43,822,705,570.56/224,720.40
  6. Step 6: Final answer
    x = 195,009.91

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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.