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Finding the Fourth Proportional to 159,644.93, 220,309.61 and 88,026.08

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Solution

The fourth proportional to 159,644.93, 220,309.61 and 88,026.08 is: 121,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.93 : 220,309.61 = 88,026.08 : x
  2. Step 2: Convert to fraction form
    159,644.93/220,309.61 = 88,026.08/x
  3. Step 3: Cross multiply
    159,644.93x = 220,309.61 × 88,026.08
  4. Step 4: Simplify right side
    159,644.93x = 19,392,989,812.95
  5. Step 5: Solve for x
    x = 19,392,989,812.95/159,644.93
  6. Step 6: Final answer
    x = 121,475.77

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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.