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Finding the Fourth Proportional to 88,967.85, 122,775.63 and 48,681.61

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Solution

The fourth proportional to 88,967.85, 122,775.63 and 48,681.61 is: 67,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,967.85 : 122,775.63 = 48,681.61 : x
  2. Step 2: Convert to fraction form
    88,967.85/122,775.63 = 48,681.61/x
  3. Step 3: Cross multiply
    88,967.85x = 122,775.63 × 48,681.61
  4. Step 4: Simplify right side
    88,967.85x = 5,976,914,847.67
  5. Step 5: Solve for x
    x = 5,976,914,847.67/88,967.85
  6. Step 6: Final answer
    x = 67,180.62

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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.