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Finding the Fourth Proportional to 229,934.24, 317,306 and 129,332

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Solution

The fourth proportional to 229,934.24, 317,306 and 129,332 is: 178,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,934.24 : 317,306 = 129,332 : x
  2. Step 2: Convert to fraction form
    229,934.24/317,306 = 129,332/x
  3. Step 3: Cross multiply
    229,934.24x = 317,306 × 129,332
  4. Step 4: Simplify right side
    229,934.24x = 41,037,819,592
  5. Step 5: Solve for x
    x = 41,037,819,592/229,934.24
  6. Step 6: Final answer
    x = 178,476.33

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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.