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Finding the Fourth Proportional to 159,883.98, 220,640.22 and 88,264.10

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Solution

The fourth proportional to 159,883.98, 220,640.22 and 88,264.10 is: 121,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,883.98 : 220,640.22 = 88,264.10 : x
  2. Step 2: Convert to fraction form
    159,883.98/220,640.22 = 88,264.10/x
  3. Step 3: Cross multiply
    159,883.98x = 220,640.22 × 88,264.10
  4. Step 4: Simplify right side
    159,883.98x = 19,474,610,442.10
  5. Step 5: Solve for x
    x = 19,474,610,442.10/159,883.98
  6. Step 6: Final answer
    x = 121,804.64

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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.