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Finding the Fourth Proportional to 180,626.64, 270,841.20 and 143,425.68

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Solution

The fourth proportional to 180,626.64, 270,841.20 and 143,425.68 is: 215,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,626.64 : 270,841.20 = 143,425.68 : x
  2. Step 2: Convert to fraction form
    180,626.64/270,841.20 = 143,425.68/x
  3. Step 3: Cross multiply
    180,626.64x = 270,841.20 × 143,425.68
  4. Step 4: Simplify right side
    180,626.64x = 38,845,583,282.02
  5. Step 5: Solve for x
    x = 38,845,583,282.02/180,626.64
  6. Step 6: Final answer
    x = 215,060.10

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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.