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Finding the Fourth Proportional to 172,241.88, 237,672.54 and 99,657.24

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Solution

The fourth proportional to 172,241.88, 237,672.54 and 99,657.24 is: 137,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,241.88 : 237,672.54 = 99,657.24 : x
  2. Step 2: Convert to fraction form
    172,241.88/237,672.54 = 99,657.24/x
  3. Step 3: Cross multiply
    172,241.88x = 237,672.54 × 99,657.24
  4. Step 4: Simplify right side
    172,241.88x = 23,685,789,360.19
  5. Step 5: Solve for x
    x = 23,685,789,360.19/172,241.88
  6. Step 6: Final answer
    x = 137,514.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.