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Finding the Fourth Proportional to 144,052.77, 216,079.15 and 38,871.74

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Solution

The fourth proportional to 144,052.77, 216,079.15 and 38,871.74 is: 58,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.77 : 216,079.15 = 38,871.74 : x
  2. Step 2: Convert to fraction form
    144,052.77/216,079.15 = 38,871.74/x
  3. Step 3: Cross multiply
    144,052.77x = 216,079.15 × 38,871.74
  4. Step 4: Simplify right side
    144,052.77x = 8,399,372,538.22
  5. Step 5: Solve for x
    x = 8,399,372,538.22/144,052.77
  6. Step 6: Final answer
    x = 58,307.61

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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.