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Finding the Fourth Proportional to 229,017.71, 316,046.34 and 127,049.85

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Solution

The fourth proportional to 229,017.71, 316,046.34 and 127,049.85 is: 175,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,017.71 : 316,046.34 = 127,049.85 : x
  2. Step 2: Convert to fraction form
    229,017.71/316,046.34 = 127,049.85/x
  3. Step 3: Cross multiply
    229,017.71x = 316,046.34 × 127,049.85
  4. Step 4: Simplify right side
    229,017.71x = 40,153,640,090.05
  5. Step 5: Solve for x
    x = 40,153,640,090.05/229,017.71
  6. Step 6: Final answer
    x = 175,329.85

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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.