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Finding the Fourth Proportional to 143,893.38, 215,708.58 and 50,348.10

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Solution

The fourth proportional to 143,893.38, 215,708.58 and 50,348.10 is: 75,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,893.38 : 215,708.58 = 50,348.10 : x
  2. Step 2: Convert to fraction form
    143,893.38/215,708.58 = 50,348.10/x
  3. Step 3: Cross multiply
    143,893.38x = 215,708.58 × 50,348.10
  4. Step 4: Simplify right side
    143,893.38x = 10,860,517,156.70
  5. Step 5: Solve for x
    x = 10,860,517,156.70/143,893.38
  6. Step 6: Final answer
    x = 75,476.14

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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.