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Finding the Fourth Proportional to 46,752,132.60, 70,128,198.90 and 46,752,132.60

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Solution

The fourth proportional to 46,752,132.60, 70,128,198.90 and 46,752,132.60 is: 70,128,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,752,132.60 : 70,128,198.90 = 46,752,132.60 : x
  2. Step 2: Convert to fraction form
    46,752,132.60/70,128,198.90 = 46,752,132.60/x
  3. Step 3: Cross multiply
    46,752,132.60x = 70,128,198.90 × 46,752,132.60
  4. Step 4: Simplify right side
    46,752,132.60x = 3,278,642,853,971,974.50
  5. Step 5: Solve for x
    x = 3,278,642,853,971,974.50/46,752,132.60
  6. Step 6: Final answer
    x = 70,128,198.90

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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.