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Finding the Fourth Proportional to 133,060.10, 199,590.15 and 118,625.90

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Solution

The fourth proportional to 133,060.10, 199,590.15 and 118,625.90 is: 177,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.10 : 199,590.15 = 118,625.90 : x
  2. Step 2: Convert to fraction form
    133,060.10/199,590.15 = 118,625.90/x
  3. Step 3: Cross multiply
    133,060.10x = 199,590.15 × 118,625.90
  4. Step 4: Simplify right side
    133,060.10x = 23,676,561,174.89
  5. Step 5: Solve for x
    x = 23,676,561,174.89/133,060.10
  6. Step 6: Final answer
    x = 177,938.85

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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.