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Finding the Fourth Proportional to 267,699.60, 369,675.36 and 172,372.32

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Solution

The fourth proportional to 267,699.60, 369,675.36 and 172,372.32 is: 238,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,699.60 : 369,675.36 = 172,372.32 : x
  2. Step 2: Convert to fraction form
    267,699.60/369,675.36 = 172,372.32/x
  3. Step 3: Cross multiply
    267,699.60x = 369,675.36 × 172,372.32
  4. Step 4: Simplify right side
    267,699.60x = 63,721,799,450.04
  5. Step 5: Solve for x
    x = 63,721,799,450.04/267,699.60
  6. Step 6: Final answer
    x = 238,034.72

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Why These Related Problems?

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