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Finding the Fourth Proportional to 354,682.20, 532,023.30 and 118,032.60

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Solution

The fourth proportional to 354,682.20, 532,023.30 and 118,032.60 is: 177,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,682.20 : 532,023.30 = 118,032.60 : x
  2. Step 2: Convert to fraction form
    354,682.20/532,023.30 = 118,032.60/x
  3. Step 3: Cross multiply
    354,682.20x = 532,023.30 × 118,032.60
  4. Step 4: Simplify right side
    354,682.20x = 62,796,093,359.58
  5. Step 5: Solve for x
    x = 62,796,093,359.58/354,682.20
  6. Step 6: Final answer
    x = 177,048.90

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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.