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Finding the Fourth Proportional to 361,260.48, 541,915.56 and 108,530.40

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Solution

The fourth proportional to 361,260.48, 541,915.56 and 108,530.40 is: 162,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,260.48 : 541,915.56 = 108,530.40 : x
  2. Step 2: Convert to fraction form
    361,260.48/541,915.56 = 108,530.40/x
  3. Step 3: Cross multiply
    361,260.48x = 541,915.56 × 108,530.40
  4. Step 4: Simplify right side
    361,260.48x = 58,814,312,493.02
  5. Step 5: Solve for x
    x = 58,814,312,493.02/361,260.48
  6. Step 6: Final answer
    x = 162,803.06

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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.