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Finding the Fourth Proportional to 174,003.16, 261,006.27 and 68,822.11

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Solution

The fourth proportional to 174,003.16, 261,006.27 and 68,822.11 is: 103,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,003.16 : 261,006.27 = 68,822.11 : x
  2. Step 2: Convert to fraction form
    174,003.16/261,006.27 = 68,822.11/x
  3. Step 3: Cross multiply
    174,003.16x = 261,006.27 × 68,822.11
  4. Step 4: Simplify right side
    174,003.16x = 17,963,002,224.63
  5. Step 5: Solve for x
    x = 17,963,002,224.63/174,003.16
  6. Step 6: Final answer
    x = 103,233.77

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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.