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Finding the Fourth Proportional to 229,891.91, 317,203.29 and 134,380.13

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Solution

The fourth proportional to 229,891.91, 317,203.29 and 134,380.13 is: 185,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,891.91 : 317,203.29 = 134,380.13 : x
  2. Step 2: Convert to fraction form
    229,891.91/317,203.29 = 134,380.13/x
  3. Step 3: Cross multiply
    229,891.91x = 317,203.29 × 134,380.13
  4. Step 4: Simplify right side
    229,891.91x = 42,625,818,674.73
  5. Step 5: Solve for x
    x = 42,625,818,674.73/229,891.91
  6. Step 6: Final answer
    x = 185,416.78

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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.