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Finding the Fourth Proportional to 179,039.38, 247,080.55 and 98,473

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Solution

The fourth proportional to 179,039.38, 247,080.55 and 98,473 is: 135,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,039.38 : 247,080.55 = 98,473 : x
  2. Step 2: Convert to fraction form
    179,039.38/247,080.55 = 98,473/x
  3. Step 3: Cross multiply
    179,039.38x = 247,080.55 × 98,473
  4. Step 4: Simplify right side
    179,039.38x = 24,330,763,000.15
  5. Step 5: Solve for x
    x = 24,330,763,000.15/179,039.38
  6. Step 6: Final answer
    x = 135,896.15

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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.