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Finding the Fourth Proportional to 248,159.50, 372,304.86 and 129,799.06

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Solution

The fourth proportional to 248,159.50, 372,304.86 and 129,799.06 is: 194,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,159.50 : 372,304.86 = 129,799.06 : x
  2. Step 2: Convert to fraction form
    248,159.50/372,304.86 = 129,799.06/x
  3. Step 3: Cross multiply
    248,159.50x = 372,304.86 × 129,799.06
  4. Step 4: Simplify right side
    248,159.50x = 48,324,819,443.92
  5. Step 5: Solve for x
    x = 48,324,819,443.92/248,159.50
  6. Step 6: Final answer
    x = 194,732.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.