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Finding the Fourth Proportional to 179,522, 247,739 and 98,949.52

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Solution

The fourth proportional to 179,522, 247,739 and 98,949.52 is: 136,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,522 : 247,739 = 98,949.52 : x
  2. Step 2: Convert to fraction form
    179,522/247,739 = 98,949.52/x
  3. Step 3: Cross multiply
    179,522x = 247,739 × 98,949.52
  4. Step 4: Simplify right side
    179,522x = 24,513,655,135.28
  5. Step 5: Solve for x
    x = 24,513,655,135.28/179,522
  6. Step 6: Final answer
    x = 136,549.59

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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.