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Finding the Fourth Proportional to 179,523.63, 247,691.12 and 115,897.59

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Solution

The fourth proportional to 179,523.63, 247,691.12 and 115,897.59 is: 159,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,523.63 : 247,691.12 = 115,897.59 : x
  2. Step 2: Convert to fraction form
    179,523.63/247,691.12 = 115,897.59/x
  3. Step 3: Cross multiply
    179,523.63x = 247,691.12 × 115,897.59
  4. Step 4: Simplify right side
    179,523.63x = 28,706,803,292.91
  5. Step 5: Solve for x
    x = 28,706,803,292.91/179,523.63
  6. Step 6: Final answer
    x = 159,905.43

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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.