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Finding the Fourth Proportional to 112,121,900.60, 168,182,850.90 and 112,121,900.60

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Solution

The fourth proportional to 112,121,900.60, 168,182,850.90 and 112,121,900.60 is: 168,182,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,121,900.60 : 168,182,850.90 = 112,121,900.60 : x
  2. Step 2: Convert to fraction form
    112,121,900.60/168,182,850.90 = 112,121,900.60/x
  3. Step 3: Cross multiply
    112,121,900.60x = 168,182,850.90 × 112,121,900.60
  4. Step 4: Simplify right side
    112,121,900.60x = 18,856,980,891,234,420
  5. Step 5: Solve for x
    x = 18,856,980,891,234,420/112,121,900.60
  6. Step 6: Final answer
    x = 168,182,850.90

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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.