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Finding the Fourth Proportional to 179,363.88, 247,546.08 and 115,886.40

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Solution

The fourth proportional to 179,363.88, 247,546.08 and 115,886.40 is: 159,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,363.88 : 247,546.08 = 115,886.40 : x
  2. Step 2: Convert to fraction form
    179,363.88/247,546.08 = 115,886.40/x
  3. Step 3: Cross multiply
    179,363.88x = 247,546.08 × 115,886.40
  4. Step 4: Simplify right side
    179,363.88x = 28,687,224,045.31
  5. Step 5: Solve for x
    x = 28,687,224,045.31/179,363.88
  6. Step 6: Final answer
    x = 159,938.69

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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.