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Finding the Fourth Proportional to 159,684.60, 220,360.02 and 88,064.60

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Solution

The fourth proportional to 159,684.60, 220,360.02 and 88,064.60 is: 121,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,684.60 : 220,360.02 = 88,064.60 : x
  2. Step 2: Convert to fraction form
    159,684.60/220,360.02 = 88,064.60/x
  3. Step 3: Cross multiply
    159,684.60x = 220,360.02 × 88,064.60
  4. Step 4: Simplify right side
    159,684.60x = 19,405,917,017.29
  5. Step 5: Solve for x
    x = 19,405,917,017.29/159,684.60
  6. Step 6: Final answer
    x = 121,526.54

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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.