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Finding the Fourth Proportional to 143,704.29, 215,567.37 and 48,905.13

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Solution

The fourth proportional to 143,704.29, 215,567.37 and 48,905.13 is: 73,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,704.29 : 215,567.37 = 48,905.13 : x
  2. Step 2: Convert to fraction form
    143,704.29/215,567.37 = 48,905.13/x
  3. Step 3: Cross multiply
    143,704.29x = 215,567.37 × 48,905.13
  4. Step 4: Simplify right side
    143,704.29x = 10,542,350,253.61
  5. Step 5: Solve for x
    x = 10,542,350,253.61/143,704.29
  6. Step 6: Final answer
    x = 73,361.42

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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.