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Finding the Fourth Proportional to 317,087.60, 437,575.92 and 173,848.88

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Solution

The fourth proportional to 317,087.60, 437,575.92 and 173,848.88 is: 239,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,087.60 : 437,575.92 = 173,848.88 : x
  2. Step 2: Convert to fraction form
    317,087.60/437,575.92 = 173,848.88/x
  3. Step 3: Cross multiply
    317,087.60x = 437,575.92 × 173,848.88
  4. Step 4: Simplify right side
    317,087.60x = 76,072,083,606.97
  5. Step 5: Solve for x
    x = 76,072,083,606.97/317,087.60
  6. Step 6: Final answer
    x = 239,908.73

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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.