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Finding the Fourth Proportional to 229,891.41, 317,202.60 and 134,379.63

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Solution

The fourth proportional to 229,891.41, 317,202.60 and 134,379.63 is: 185,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,891.41 : 317,202.60 = 134,379.63 : x
  2. Step 2: Convert to fraction form
    229,891.41/317,202.60 = 134,379.63/x
  3. Step 3: Cross multiply
    229,891.41x = 317,202.60 × 134,379.63
  4. Step 4: Simplify right side
    229,891.41x = 42,625,568,023.04
  5. Step 5: Solve for x
    x = 42,625,568,023.04/229,891.41
  6. Step 6: Final answer
    x = 185,416.10

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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.