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Finding the Fourth Proportional to 60,481,793.20, 90,722,689.80 and 54,246,218.80

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Solution

The fourth proportional to 60,481,793.20, 90,722,689.80 and 54,246,218.80 is: 81,369,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481,793.20 : 90,722,689.80 = 54,246,218.80 : x
  2. Step 2: Convert to fraction form
    60,481,793.20/90,722,689.80 = 54,246,218.80/x
  3. Step 3: Cross multiply
    60,481,793.20x = 90,722,689.80 × 54,246,218.80
  4. Step 4: Simplify right side
    60,481,793.20x = 4,921,362,881,015,328
  5. Step 5: Solve for x
    x = 4,921,362,881,015,328/60,481,793.20
  6. Step 6: Final answer
    x = 81,369,328.20

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1.5x scale

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.