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Finding the Fourth Proportional to 354,793.48, 532,260.21 and 130,155.97

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Solution

The fourth proportional to 354,793.48, 532,260.21 and 130,155.97 is: 195,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,793.48 : 532,260.21 = 130,155.97 : x
  2. Step 2: Convert to fraction form
    354,793.48/532,260.21 = 130,155.97/x
  3. Step 3: Cross multiply
    354,793.48x = 532,260.21 × 130,155.97
  4. Step 4: Simplify right side
    354,793.48x = 69,276,843,924.95
  5. Step 5: Solve for x
    x = 69,276,843,924.95/354,793.48
  6. Step 6: Final answer
    x = 195,259.63

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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.