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Finding the Fourth Proportional to 143,737.59, 215,607.23 and 37,114.28

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Solution

The fourth proportional to 143,737.59, 215,607.23 and 37,114.28 is: 55,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737.59 : 215,607.23 = 37,114.28 : x
  2. Step 2: Convert to fraction form
    143,737.59/215,607.23 = 37,114.28/x
  3. Step 3: Cross multiply
    143,737.59x = 215,607.23 × 37,114.28
  4. Step 4: Simplify right side
    143,737.59x = 8,002,107,104.24
  5. Step 5: Solve for x
    x = 8,002,107,104.24/143,737.59
  6. Step 6: Final answer
    x = 55,671.64

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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.