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Finding the Fourth Proportional to 159,734.84, 220,417.02 and 88,114.86

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Solution

The fourth proportional to 159,734.84, 220,417.02 and 88,114.86 is: 121,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,734.84 : 220,417.02 = 88,114.86 : x
  2. Step 2: Convert to fraction form
    159,734.84/220,417.02 = 88,114.86/x
  3. Step 3: Cross multiply
    159,734.84x = 220,417.02 × 88,114.86
  4. Step 4: Simplify right side
    159,734.84x = 19,422,014,858.92
  5. Step 5: Solve for x
    x = 19,422,014,858.92/159,734.84
  6. Step 6: Final answer
    x = 121,589.10

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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.