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Finding the Fourth Proportional to 149,686.40, 224,500.80 and 44,508.80

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Solution

The fourth proportional to 149,686.40, 224,500.80 and 44,508.80 is: 66,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,686.40 : 224,500.80 = 44,508.80 : x
  2. Step 2: Convert to fraction form
    149,686.40/224,500.80 = 44,508.80/x
  3. Step 3: Cross multiply
    149,686.40x = 224,500.80 × 44,508.80
  4. Step 4: Simplify right side
    149,686.40x = 9,992,261,207.04
  5. Step 5: Solve for x
    x = 9,992,261,207.04/149,686.40
  6. Step 6: Final answer
    x = 66,754.64

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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.