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Finding the Fourth Proportional to 143,881.72, 215,814.88 and 44,041.96

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Solution

The fourth proportional to 143,881.72, 215,814.88 and 44,041.96 is: 66,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,881.72 : 215,814.88 = 44,041.96 : x
  2. Step 2: Convert to fraction form
    143,881.72/215,814.88 = 44,041.96/x
  3. Step 3: Cross multiply
    143,881.72x = 215,814.88 × 44,041.96
  4. Step 4: Simplify right side
    143,881.72x = 9,504,910,637.19
  5. Step 5: Solve for x
    x = 9,504,910,637.19/143,881.72
  6. Step 6: Final answer
    x = 66,060.59

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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.