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Finding the Fourth Proportional to 68,627,362.80, 102,941,044.20 and 23,188,501.20

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Solution

The fourth proportional to 68,627,362.80, 102,941,044.20 and 23,188,501.20 is: 34,782,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627,362.80 : 102,941,044.20 = 23,188,501.20 : x
  2. Step 2: Convert to fraction form
    68,627,362.80/102,941,044.20 = 23,188,501.20/x
  3. Step 3: Cross multiply
    68,627,362.80x = 102,941,044.20 × 23,188,501.20
  4. Step 4: Simplify right side
    68,627,362.80x = 2,387,048,526,960,953
  5. Step 5: Solve for x
    x = 2,387,048,526,960,953/68,627,362.80
  6. Step 6: Final answer
    x = 34,782,751.80

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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.