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Finding the Fourth Proportional to 159,852.36, 220,580.53 and 88,227.75

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Solution

The fourth proportional to 159,852.36, 220,580.53 and 88,227.75 is: 121,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,852.36 : 220,580.53 = 88,227.75 : x
  2. Step 2: Convert to fraction form
    159,852.36/220,580.53 = 88,227.75/x
  3. Step 3: Cross multiply
    159,852.36x = 220,580.53 × 88,227.75
  4. Step 4: Simplify right side
    159,852.36x = 19,461,323,855.71
  5. Step 5: Solve for x
    x = 19,461,323,855.71/159,852.36
  6. Step 6: Final answer
    x = 121,745.61

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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.