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Finding the Fourth Proportional to 67,968,005.80, 101,952,008.70 and 22,536,812.20

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Solution

The fourth proportional to 67,968,005.80, 101,952,008.70 and 22,536,812.20 is: 33,805,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968,005.80 : 101,952,008.70 = 22,536,812.20 : x
  2. Step 2: Convert to fraction form
    67,968,005.80/101,952,008.70 = 22,536,812.20/x
  3. Step 3: Cross multiply
    67,968,005.80x = 101,952,008.70 × 22,536,812.20
  4. Step 4: Simplify right side
    67,968,005.80x = 2,297,673,273,484,666
  5. Step 5: Solve for x
    x = 2,297,673,273,484,666/67,968,005.80
  6. Step 6: Final answer
    x = 33,805,218.30

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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.