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Finding the Fourth Proportional to 66,874.41, 100,344.25 and 29,429.76

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Solution

The fourth proportional to 66,874.41, 100,344.25 and 29,429.76 is: 44,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,874.41 : 100,344.25 = 29,429.76 : x
  2. Step 2: Convert to fraction form
    66,874.41/100,344.25 = 29,429.76/x
  3. Step 3: Cross multiply
    66,874.41x = 100,344.25 × 29,429.76
  4. Step 4: Simplify right side
    66,874.41x = 2,953,107,607.96
  5. Step 5: Solve for x
    x = 2,953,107,607.96/66,874.41
  6. Step 6: Final answer
    x = 44,159.01

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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.