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Finding the Fourth Proportional to 229,016.88, 316,032.18 and 127,046.40

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Solution

The fourth proportional to 229,016.88, 316,032.18 and 127,046.40 is: 175,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,016.88 : 316,032.18 = 127,046.40 : x
  2. Step 2: Convert to fraction form
    229,016.88/316,032.18 = 127,046.40/x
  3. Step 3: Cross multiply
    229,016.88x = 316,032.18 × 127,046.40
  4. Step 4: Simplify right side
    229,016.88x = 40,150,750,753.15
  5. Step 5: Solve for x
    x = 40,150,750,753.15/229,016.88
  6. Step 6: Final answer
    x = 175,317.87

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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.