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Finding the Fourth Proportional to 229,902.18, 317,265.24 and 127,936.92

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Solution

The fourth proportional to 229,902.18, 317,265.24 and 127,936.92 is: 176,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,902.18 : 317,265.24 = 127,936.92 : x
  2. Step 2: Convert to fraction form
    229,902.18/317,265.24 = 127,936.92/x
  3. Step 3: Cross multiply
    229,902.18x = 317,265.24 × 127,936.92
  4. Step 4: Simplify right side
    229,902.18x = 40,589,937,628.66
  5. Step 5: Solve for x
    x = 40,589,937,628.66/229,902.18
  6. Step 6: Final answer
    x = 176,553.08

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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.