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Finding the Fourth Proportional to 229,355.56, 316,512.68 and 127,382.82

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Solution

The fourth proportional to 229,355.56, 316,512.68 and 127,382.82 is: 175,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,355.56 : 316,512.68 = 127,382.82 : x
  2. Step 2: Convert to fraction form
    229,355.56/316,512.68 = 127,382.82/x
  3. Step 3: Cross multiply
    229,355.56x = 316,512.68 × 127,382.82
  4. Step 4: Simplify right side
    229,355.56x = 40,318,277,744.16
  5. Step 5: Solve for x
    x = 40,318,277,744.16/229,355.56
  6. Step 6: Final answer
    x = 175,789.41

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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.