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Finding the Fourth Proportional to 224,739.40, 337,254.90 and 129,969.40

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Solution

The fourth proportional to 224,739.40, 337,254.90 and 129,969.40 is: 195,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,739.40 : 337,254.90 = 129,969.40 : x
  2. Step 2: Convert to fraction form
    224,739.40/337,254.90 = 129,969.40/x
  3. Step 3: Cross multiply
    224,739.40x = 337,254.90 × 129,969.40
  4. Step 4: Simplify right side
    224,739.40x = 43,832,817,000.06
  5. Step 5: Solve for x
    x = 43,832,817,000.06/224,739.40
  6. Step 6: Final answer
    x = 195,038.42

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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.