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Finding the Fourth Proportional to 67,037,752.80, 100,556,629.20 and 36,426,751.20

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Solution

The fourth proportional to 67,037,752.80, 100,556,629.20 and 36,426,751.20 is: 54,640,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037,752.80 : 100,556,629.20 = 36,426,751.20 : x
  2. Step 2: Convert to fraction form
    67,037,752.80/100,556,629.20 = 36,426,751.20/x
  3. Step 3: Cross multiply
    67,037,752.80x = 100,556,629.20 × 36,426,751.20
  4. Step 4: Simplify right side
    67,037,752.80x = 3,662,951,313,379,055.50
  5. Step 5: Solve for x
    x = 3,662,951,313,379,055.50/67,037,752.80
  6. Step 6: Final answer
    x = 54,640,126.80

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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.