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Finding the Fourth Proportional to 143,840.66, 215,753.22 and 44,000.86

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Solution

The fourth proportional to 143,840.66, 215,753.22 and 44,000.86 is: 65,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,840.66 : 215,753.22 = 44,000.86 : x
  2. Step 2: Convert to fraction form
    143,840.66/215,753.22 = 44,000.86/x
  3. Step 3: Cross multiply
    143,840.66x = 215,753.22 × 44,000.86
  4. Step 4: Simplify right side
    143,840.66x = 9,493,327,007.76
  5. Step 5: Solve for x
    x = 9,493,327,007.76/143,840.66
  6. Step 6: Final answer
    x = 65,998.91

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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.