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Finding the Fourth Proportional to 159,889.06, 220,641.09 and 88,267.54

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Solution

The fourth proportional to 159,889.06, 220,641.09 and 88,267.54 is: 121,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.06 : 220,641.09 = 88,267.54 : x
  2. Step 2: Convert to fraction form
    159,889.06/220,641.09 = 88,267.54/x
  3. Step 3: Cross multiply
    159,889.06x = 220,641.09 × 88,267.54
  4. Step 4: Simplify right side
    159,889.06x = 19,475,446,237.22
  5. Step 5: Solve for x
    x = 19,475,446,237.22/159,889.06
  6. Step 6: Final answer
    x = 121,806.00

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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.