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Finding the Fourth Proportional to 229,535.76, 316,758.84 and 127,560.88

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Solution

The fourth proportional to 229,535.76, 316,758.84 and 127,560.88 is: 176,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,535.76 : 316,758.84 = 127,560.88 : x
  2. Step 2: Convert to fraction form
    229,535.76/316,758.84 = 127,560.88/x
  3. Step 3: Cross multiply
    229,535.76x = 316,758.84 × 127,560.88
  4. Step 4: Simplify right side
    229,535.76x = 40,406,036,378.18
  5. Step 5: Solve for x
    x = 40,406,036,378.18/229,535.76
  6. Step 6: Final answer
    x = 176,033.73

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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.