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Finding the Fourth Proportional to 120,562.88, 180,848.42 and 48,514.89

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Solution

The fourth proportional to 120,562.88, 180,848.42 and 48,514.89 is: 72,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.88 : 180,848.42 = 48,514.89 : x
  2. Step 2: Convert to fraction form
    120,562.88/180,848.42 = 48,514.89/x
  3. Step 3: Cross multiply
    120,562.88x = 180,848.42 × 48,514.89
  4. Step 4: Simplify right side
    120,562.88x = 8,773,841,202.97
  5. Step 5: Solve for x
    x = 8,773,841,202.97/120,562.88
  6. Step 6: Final answer
    x = 72,773.98

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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.