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Finding the Fourth Proportional to 173,618.58, 239,592.34 and 98,169.78

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Solution

The fourth proportional to 173,618.58, 239,592.34 and 98,169.78 is: 135,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,618.58 : 239,592.34 = 98,169.78 : x
  2. Step 2: Convert to fraction form
    173,618.58/239,592.34 = 98,169.78/x
  3. Step 3: Cross multiply
    173,618.58x = 239,592.34 × 98,169.78
  4. Step 4: Simplify right side
    173,618.58x = 23,520,727,307.49
  5. Step 5: Solve for x
    x = 23,520,727,307.49/173,618.58
  6. Step 6: Final answer
    x = 135,473.56

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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.