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Finding the Fourth Proportional to 173,366, 239,245.12 and 93,878

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Solution

The fourth proportional to 173,366, 239,245.12 and 93,878 is: 129,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,366 : 239,245.12 = 93,878 : x
  2. Step 2: Convert to fraction form
    173,366/239,245.12 = 93,878/x
  3. Step 3: Cross multiply
    173,366x = 239,245.12 × 93,878
  4. Step 4: Simplify right side
    173,366x = 22,459,853,375.36
  5. Step 5: Solve for x
    x = 22,459,853,375.36/173,366
  6. Step 6: Final answer
    x = 129,551.66

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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.