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Finding the Fourth Proportional to 88,664.29, 122,401.85 and 68,475.85

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Solution

The fourth proportional to 88,664.29, 122,401.85 and 68,475.85 is: 94,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.29 : 122,401.85 = 68,475.85 : x
  2. Step 2: Convert to fraction form
    88,664.29/122,401.85 = 68,475.85/x
  3. Step 3: Cross multiply
    88,664.29x = 122,401.85 × 68,475.85
  4. Step 4: Simplify right side
    88,664.29x = 8,381,570,071.94
  5. Step 5: Solve for x
    x = 8,381,570,071.94/88,664.29
  6. Step 6: Final answer
    x = 94,531.52

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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.