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Finding the Fourth Proportional to 173,474, 239,394.12 and 93,986

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Solution

The fourth proportional to 173,474, 239,394.12 and 93,986 is: 129,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,474 : 239,394.12 = 93,986 : x
  2. Step 2: Convert to fraction form
    173,474/239,394.12 = 93,986/x
  3. Step 3: Cross multiply
    173,474x = 239,394.12 × 93,986
  4. Step 4: Simplify right side
    173,474x = 22,499,695,762.32
  5. Step 5: Solve for x
    x = 22,499,695,762.32/173,474
  6. Step 6: Final answer
    x = 129,700.68

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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.