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Finding the Fourth Proportional to 173,874.32, 239,930.40 and 98,422.82

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Solution

The fourth proportional to 173,874.32, 239,930.40 and 98,422.82 is: 135,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,874.32 : 239,930.40 = 98,422.82 : x
  2. Step 2: Convert to fraction form
    173,874.32/239,930.40 = 98,422.82/x
  3. Step 3: Cross multiply
    173,874.32x = 239,930.40 × 98,422.82
  4. Step 4: Simplify right side
    173,874.32x = 23,614,626,571.73
  5. Step 5: Solve for x
    x = 23,614,626,571.73/173,874.32
  6. Step 6: Final answer
    x = 135,814.34

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1.5x scale

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.