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Finding the Fourth Proportional to 231,679.62, 319,700.33 and 141,025.51

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Solution

The fourth proportional to 231,679.62, 319,700.33 and 141,025.51 is: 194,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,679.62 : 319,700.33 = 141,025.51 : x
  2. Step 2: Convert to fraction form
    231,679.62/319,700.33 = 141,025.51/x
  3. Step 3: Cross multiply
    231,679.62x = 319,700.33 × 141,025.51
  4. Step 4: Simplify right side
    231,679.62x = 45,085,900,708.76
  5. Step 5: Solve for x
    x = 45,085,900,708.76/231,679.62
  6. Step 6: Final answer
    x = 194,604.52

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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.