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Finding the Fourth Proportional to 229,908.24, 317,276.19 and 129,306.24

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Solution

The fourth proportional to 229,908.24, 317,276.19 and 129,306.24 is: 178,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,908.24 : 317,276.19 = 129,306.24 : x
  2. Step 2: Convert to fraction form
    229,908.24/317,276.19 = 129,306.24/x
  3. Step 3: Cross multiply
    229,908.24x = 317,276.19 × 129,306.24
  4. Step 4: Simplify right side
    229,908.24x = 41,025,791,170.43
  5. Step 5: Solve for x
    x = 41,025,791,170.43/229,908.24
  6. Step 6: Final answer
    x = 178,444.20

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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.