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Finding the Fourth Proportional to 159,873.15, 220,624.73 and 88,253.00

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Solution

The fourth proportional to 159,873.15, 220,624.73 and 88,253.00 is: 121,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,873.15 : 220,624.73 = 88,253.00 : x
  2. Step 2: Convert to fraction form
    159,873.15/220,624.73 = 88,253.00/x
  3. Step 3: Cross multiply
    159,873.15x = 220,624.73 × 88,253.00
  4. Step 4: Simplify right side
    159,873.15x = 19,470,792,752.30
  5. Step 5: Solve for x
    x = 19,470,792,752.30/159,873.15
  6. Step 6: Final answer
    x = 121,789.01

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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.