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Finding the Fourth Proportional to 159,851.87, 220,579.85 and 88,227.26

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Solution

The fourth proportional to 159,851.87, 220,579.85 and 88,227.26 is: 121,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851.87 : 220,579.85 = 88,227.26 : x
  2. Step 2: Convert to fraction form
    159,851.87/220,579.85 = 88,227.26/x
  3. Step 3: Cross multiply
    159,851.87x = 220,579.85 × 88,227.26
  4. Step 4: Simplify right side
    159,851.87x = 19,461,154,232.68
  5. Step 5: Solve for x
    x = 19,461,154,232.68/159,851.87
  6. Step 6: Final answer
    x = 121,744.93

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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.