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Finding the Fourth Proportional to 173,486, 239,410.68 and 93,998

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Solution

The fourth proportional to 173,486, 239,410.68 and 93,998 is: 129,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,486 : 239,410.68 = 93,998 : x
  2. Step 2: Convert to fraction form
    173,486/239,410.68 = 93,998/x
  3. Step 3: Cross multiply
    173,486x = 239,410.68 × 93,998
  4. Step 4: Simplify right side
    173,486x = 22,504,125,098.64
  5. Step 5: Solve for x
    x = 22,504,125,098.64/173,486
  6. Step 6: Final answer
    x = 129,717.24

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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.