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Finding the Fourth Proportional to 361,515.60, 542,275.32 and 108,794.36

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Solution

The fourth proportional to 361,515.60, 542,275.32 and 108,794.36 is: 163,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,515.60 : 542,275.32 = 108,794.36 : x
  2. Step 2: Convert to fraction form
    361,515.60/542,275.32 = 108,794.36/x
  3. Step 3: Cross multiply
    361,515.60x = 542,275.32 × 108,794.36
  4. Step 4: Simplify right side
    361,515.60x = 58,996,495,096.56
  5. Step 5: Solve for x
    x = 58,996,495,096.56/361,515.60
  6. Step 6: Final answer
    x = 163,192.12

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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.