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Finding the Fourth Proportional to 88,439.44, 122,045.16 and 48,695.44

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Solution

The fourth proportional to 88,439.44, 122,045.16 and 48,695.44 is: 67,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,439.44 : 122,045.16 = 48,695.44 : x
  2. Step 2: Convert to fraction form
    88,439.44/122,045.16 = 48,695.44/x
  3. Step 3: Cross multiply
    88,439.44x = 122,045.16 × 48,695.44
  4. Step 4: Simplify right side
    88,439.44x = 5,943,042,766.07
  5. Step 5: Solve for x
    x = 5,943,042,766.07/88,439.44
  6. Step 6: Final answer
    x = 67,199.01

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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.