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Finding the Fourth Proportional to 361,003.87, 541,498.53 and 124,341.31

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Solution

The fourth proportional to 361,003.87, 541,498.53 and 124,341.31 is: 186,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,003.87 : 541,498.53 = 124,341.31 : x
  2. Step 2: Convert to fraction form
    361,003.87/541,498.53 = 124,341.31/x
  3. Step 3: Cross multiply
    361,003.87x = 541,498.53 × 124,341.31
  4. Step 4: Simplify right side
    361,003.87x = 67,330,633,875.78
  5. Step 5: Solve for x
    x = 67,330,633,875.78/361,003.87
  6. Step 6: Final answer
    x = 186,509.45

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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.