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Finding the Fourth Proportional to 229,245.36, 316,344.39 and 127,264.86

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Solution

The fourth proportional to 229,245.36, 316,344.39 and 127,264.86 is: 175,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,245.36 : 316,344.39 = 127,264.86 : x
  2. Step 2: Convert to fraction form
    229,245.36/316,344.39 = 127,264.86/x
  3. Step 3: Cross multiply
    229,245.36x = 316,344.39 × 127,264.86
  4. Step 4: Simplify right side
    229,245.36x = 40,259,524,505.14
  5. Step 5: Solve for x
    x = 40,259,524,505.14/229,245.36
  6. Step 6: Final answer
    x = 175,617.62

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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.