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Finding the Fourth Proportional to 103,337.20, 155,020.20 and 44,172.40

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Solution

The fourth proportional to 103,337.20, 155,020.20 and 44,172.40 is: 66,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,337.20 : 155,020.20 = 44,172.40 : x
  2. Step 2: Convert to fraction form
    103,337.20/155,020.20 = 44,172.40/x
  3. Step 3: Cross multiply
    103,337.20x = 155,020.20 × 44,172.40
  4. Step 4: Simplify right side
    103,337.20x = 6,847,614,282.48
  5. Step 5: Solve for x
    x = 6,847,614,282.48/103,337.20
  6. Step 6: Final answer
    x = 66,264.76

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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.