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Finding the Fourth Proportional to 229,176.71, 316,267.22 and 127,208.73

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Solution

The fourth proportional to 229,176.71, 316,267.22 and 127,208.73 is: 175,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,176.71 : 316,267.22 = 127,208.73 : x
  2. Step 2: Convert to fraction form
    229,176.71/316,267.22 = 127,208.73/x
  3. Step 3: Cross multiply
    229,176.71x = 316,267.22 × 127,208.73
  4. Step 4: Simplify right side
    229,176.71x = 40,231,951,714.85
  5. Step 5: Solve for x
    x = 40,231,951,714.85/229,176.71
  6. Step 6: Final answer
    x = 175,549.92

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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.