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Finding the Fourth Proportional to 48,992,461.70, 73,488,692.55 and 20,229,037.70

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Solution

The fourth proportional to 48,992,461.70, 73,488,692.55 and 20,229,037.70 is: 30,343,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992,461.70 : 73,488,692.55 = 20,229,037.70 : x
  2. Step 2: Convert to fraction form
    48,992,461.70/73,488,692.55 = 20,229,037.70/x
  3. Step 3: Cross multiply
    48,992,461.70x = 73,488,692.55 × 20,229,037.70
  4. Step 4: Simplify right side
    48,992,461.70x = 1,486,605,532,117,659
  5. Step 5: Solve for x
    x = 1,486,605,532,117,659/48,992,461.70
  6. Step 6: Final answer
    x = 30,343,556.55

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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.