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Finding the Fourth Proportional to 173,310.70, 259,966.05 and 84,621.10

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Solution

The fourth proportional to 173,310.70, 259,966.05 and 84,621.10 is: 126,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.70 : 259,966.05 = 84,621.10 : x
  2. Step 2: Convert to fraction form
    173,310.70/259,966.05 = 84,621.10/x
  3. Step 3: Cross multiply
    173,310.70x = 259,966.05 × 84,621.10
  4. Step 4: Simplify right side
    173,310.70x = 21,998,613,113.66
  5. Step 5: Solve for x
    x = 21,998,613,113.66/173,310.70
  6. Step 6: Final answer
    x = 126,931.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.