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Finding the Fourth Proportional to 229,017.68, 316,044.12 and 127,058.60

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Solution

The fourth proportional to 229,017.68, 316,044.12 and 127,058.60 is: 175,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,017.68 : 316,044.12 = 127,058.60 : x
  2. Step 2: Convert to fraction form
    229,017.68/316,044.12 = 127,058.60/x
  3. Step 3: Cross multiply
    229,017.68x = 316,044.12 × 127,058.60
  4. Step 4: Simplify right side
    229,017.68x = 40,156,123,425.43
  5. Step 5: Solve for x
    x = 40,156,123,425.43/229,017.68
  6. Step 6: Final answer
    x = 175,340.71

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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.