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Finding the Fourth Proportional to 227,886.38, 314,489.56 and 125,918.40

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Solution

The fourth proportional to 227,886.38, 314,489.56 and 125,918.40 is: 173,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,886.38 : 314,489.56 = 125,918.40 : x
  2. Step 2: Convert to fraction form
    227,886.38/314,489.56 = 125,918.40/x
  3. Step 3: Cross multiply
    227,886.38x = 314,489.56 × 125,918.40
  4. Step 4: Simplify right side
    227,886.38x = 39,600,022,211.90
  5. Step 5: Solve for x
    x = 39,600,022,211.90/227,886.38
  6. Step 6: Final answer
    x = 173,770.90

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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.