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Finding the Fourth Proportional to 71,597,943.80, 107,452,902.90 and 33,264,207.80

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Solution

The fourth proportional to 71,597,943.80, 107,452,902.90 and 33,264,207.80 is: 49,922,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,597,943.80 : 107,452,902.90 = 33,264,207.80 : x
  2. Step 2: Convert to fraction form
    71,597,943.80/107,452,902.90 = 33,264,207.80/x
  3. Step 3: Cross multiply
    71,597,943.80x = 107,452,902.90 × 33,264,207.80
  4. Step 4: Simplify right side
    71,597,943.80x = 3,574,335,690,778,823
  5. Step 5: Solve for x
    x = 3,574,335,690,778,823/71,597,943.80
  6. Step 6: Final answer
    x = 49,922,323.20

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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.