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Finding the Fourth Proportional to 229,791.32, 317,107.44 and 127,814.60

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Solution

The fourth proportional to 229,791.32, 317,107.44 and 127,814.60 is: 176,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,791.32 : 317,107.44 = 127,814.60 : x
  2. Step 2: Convert to fraction form
    229,791.32/317,107.44 = 127,814.60/x
  3. Step 3: Cross multiply
    229,791.32x = 317,107.44 × 127,814.60
  4. Step 4: Simplify right side
    229,791.32x = 40,530,960,600.62
  5. Step 5: Solve for x
    x = 40,530,960,600.62/229,791.32
  6. Step 6: Final answer
    x = 176,381.60

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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.