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Finding the Fourth Proportional to 88,633.44, 122,359.30 and 68,445

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Solution

The fourth proportional to 88,633.44, 122,359.30 and 68,445 is: 94,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,633.44 : 122,359.30 = 68,445 : x
  2. Step 2: Convert to fraction form
    88,633.44/122,359.30 = 68,445/x
  3. Step 3: Cross multiply
    88,633.44x = 122,359.30 × 68,445
  4. Step 4: Simplify right side
    88,633.44x = 8,374,882,288.50
  5. Step 5: Solve for x
    x = 8,374,882,288.50/88,633.44
  6. Step 6: Final answer
    x = 94,488.97

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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.