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Finding the Fourth Proportional to 159,842.58, 220,582.31 and 88,222.11

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Solution

The fourth proportional to 159,842.58, 220,582.31 and 88,222.11 is: 121,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,842.58 : 220,582.31 = 88,222.11 : x
  2. Step 2: Convert to fraction form
    159,842.58/220,582.31 = 88,222.11/x
  3. Step 3: Cross multiply
    159,842.58x = 220,582.31 × 88,222.11
  4. Step 4: Simplify right side
    159,842.58x = 19,460,236,816.87
  5. Step 5: Solve for x
    x = 19,460,236,816.87/159,842.58
  6. Step 6: Final answer
    x = 121,746.26

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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.