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Finding the Fourth Proportional to 361,040.76, 541,612.98 and 124,319.88

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Solution

The fourth proportional to 361,040.76, 541,612.98 and 124,319.88 is: 186,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,040.76 : 541,612.98 = 124,319.88 : x
  2. Step 2: Convert to fraction form
    361,040.76/541,612.98 = 124,319.88/x
  3. Step 3: Cross multiply
    361,040.76x = 541,612.98 × 124,319.88
  4. Step 4: Simplify right side
    361,040.76x = 67,333,260,680.04
  5. Step 5: Solve for x
    x = 67,333,260,680.04/361,040.76
  6. Step 6: Final answer
    x = 186,497.67

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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.