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Finding the Fourth Proportional to 160,081.77, 220,917.27 and 88,466.30

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Solution

The fourth proportional to 160,081.77, 220,917.27 and 88,466.30 is: 122,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,081.77 : 220,917.27 = 88,466.30 : x
  2. Step 2: Convert to fraction form
    160,081.77/220,917.27 = 88,466.30/x
  3. Step 3: Cross multiply
    160,081.77x = 220,917.27 × 88,466.30
  4. Step 4: Simplify right side
    160,081.77x = 19,543,733,483.00
  5. Step 5: Solve for x
    x = 19,543,733,483.00/160,081.77
  6. Step 6: Final answer
    x = 122,085.94

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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.