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Finding the Fourth Proportional to 66,877.54, 100,348.94 and 29,432.89

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Solution

The fourth proportional to 66,877.54, 100,348.94 and 29,432.89 is: 44,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.54 : 100,348.94 = 29,432.89 : x
  2. Step 2: Convert to fraction form
    66,877.54/100,348.94 = 29,432.89/x
  3. Step 3: Cross multiply
    66,877.54x = 100,348.94 × 29,432.89
  4. Step 4: Simplify right side
    66,877.54x = 2,953,559,312.64
  5. Step 5: Solve for x
    x = 2,953,559,312.64/66,877.54
  6. Step 6: Final answer
    x = 44,163.70

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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.