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Finding the Fourth Proportional to 179,498.68, 247,709.88 and 98,929.16

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Solution

The fourth proportional to 179,498.68, 247,709.88 and 98,929.16 is: 136,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,498.68 : 247,709.88 = 98,929.16 : x
  2. Step 2: Convert to fraction form
    179,498.68/247,709.88 = 98,929.16/x
  3. Step 3: Cross multiply
    179,498.68x = 247,709.88 × 98,929.16
  4. Step 4: Simplify right side
    179,498.68x = 24,505,730,352.10
  5. Step 5: Solve for x
    x = 24,505,730,352.10/179,498.68
  6. Step 6: Final answer
    x = 136,523.18

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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.