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Finding the Fourth Proportional to 52,766,306.80, 79,149,460.20 and 43,696,380.40

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Solution

The fourth proportional to 52,766,306.80, 79,149,460.20 and 43,696,380.40 is: 65,544,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,766,306.80 : 79,149,460.20 = 43,696,380.40 : x
  2. Step 2: Convert to fraction form
    52,766,306.80/79,149,460.20 = 43,696,380.40/x
  3. Step 3: Cross multiply
    52,766,306.80x = 79,149,460.20 × 43,696,380.40
  4. Step 4: Simplify right side
    52,766,306.80x = 3,458,544,921,353,860
  5. Step 5: Solve for x
    x = 3,458,544,921,353,860/52,766,306.80
  6. Step 6: Final answer
    x = 65,544,570.60

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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.