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Finding the Fourth Proportional to 68,410,751.20, 102,473,048.40 and 32,050,175.20

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Solution

The fourth proportional to 68,410,751.20, 102,473,048.40 and 32,050,175.20 is: 48,008,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410,751.20 : 102,473,048.40 = 32,050,175.20 : x
  2. Step 2: Convert to fraction form
    68,410,751.20/102,473,048.40 = 32,050,175.20/x
  3. Step 3: Cross multiply
    68,410,751.20x = 102,473,048.40 × 32,050,175.20
  4. Step 4: Simplify right side
    68,410,751.20x = 3,284,279,154,498,080
  5. Step 5: Solve for x
    x = 3,284,279,154,498,080/68,410,751.20
  6. Step 6: Final answer
    x = 48,008,231.12

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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.