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Finding the Fourth Proportional to 71,223.98, 98,301.20 and 41,026.77

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Solution

The fourth proportional to 71,223.98, 98,301.20 and 41,026.77 is: 56,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.98 : 98,301.20 = 41,026.77 : x
  2. Step 2: Convert to fraction form
    71,223.98/98,301.20 = 41,026.77/x
  3. Step 3: Cross multiply
    71,223.98x = 98,301.20 × 41,026.77
  4. Step 4: Simplify right side
    71,223.98x = 4,032,980,517.99
  5. Step 5: Solve for x
    x = 4,032,980,517.99/71,223.98
  6. Step 6: Final answer
    x = 56,623.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.