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Finding the Fourth Proportional to 173,617.58, 239,590.96 and 98,168.78

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Solution

The fourth proportional to 173,617.58, 239,590.96 and 98,168.78 is: 135,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,617.58 : 239,590.96 = 98,168.78 : x
  2. Step 2: Convert to fraction form
    173,617.58/239,590.96 = 98,168.78/x
  3. Step 3: Cross multiply
    173,617.58x = 239,590.96 × 98,168.78
  4. Step 4: Simplify right side
    173,617.58x = 23,520,350,798.85
  5. Step 5: Solve for x
    x = 23,520,350,798.85/173,617.58
  6. Step 6: Final answer
    x = 135,472.18

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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.