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Finding the Fourth Proportional to 361,124.88, 541,355.60 and 124,411.28

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Solution

The fourth proportional to 361,124.88, 541,355.60 and 124,411.28 is: 186,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,124.88 : 541,355.60 = 124,411.28 : x
  2. Step 2: Convert to fraction form
    361,124.88/541,355.60 = 124,411.28/x
  3. Step 3: Cross multiply
    361,124.88x = 541,355.60 × 124,411.28
  4. Step 4: Simplify right side
    361,124.88x = 67,350,743,131.17
  5. Step 5: Solve for x
    x = 67,350,743,131.17/361,124.88
  6. Step 6: Final answer
    x = 186,502.64

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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.