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Finding the Fourth Proportional to 229,676.92, 316,948.24 and 127,697.11

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Solution

The fourth proportional to 229,676.92, 316,948.24 and 127,697.11 is: 176,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,676.92 : 316,948.24 = 127,697.11 : x
  2. Step 2: Convert to fraction form
    229,676.92/316,948.24 = 127,697.11/x
  3. Step 3: Cross multiply
    229,676.92x = 316,948.24 × 127,697.11
  4. Step 4: Simplify right side
    229,676.92x = 40,473,373,634.84
  5. Step 5: Solve for x
    x = 40,473,373,634.84/229,676.92
  6. Step 6: Final answer
    x = 176,218.73

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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.