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Finding the Fourth Proportional to 68,666,155.48, 102,978,689.07 and 22,599,521.00

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Solution

The fourth proportional to 68,666,155.48, 102,978,689.07 and 22,599,521.00 is: 33,892,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,666,155.48 : 102,978,689.07 = 22,599,521.00 : x
  2. Step 2: Convert to fraction form
    68,666,155.48/102,978,689.07 = 22,599,521.00/x
  3. Step 3: Cross multiply
    68,666,155.48x = 102,978,689.07 × 22,599,521.00
  4. Step 4: Simplify right side
    68,666,155.48x = 2,327,269,046,145,960.50
  5. Step 5: Solve for x
    x = 2,327,269,046,145,960.50/68,666,155.48
  6. Step 6: Final answer
    x = 33,892,519.97

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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.