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Finding the Fourth Proportional to 88,765.76, 122,491.33 and 48,471.33

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Solution

The fourth proportional to 88,765.76, 122,491.33 and 48,471.33 is: 66,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,765.76 : 122,491.33 = 48,471.33 : x
  2. Step 2: Convert to fraction form
    88,765.76/122,491.33 = 48,471.33/x
  3. Step 3: Cross multiply
    88,765.76x = 122,491.33 × 48,471.33
  4. Step 4: Simplify right side
    88,765.76x = 5,937,317,678.57
  5. Step 5: Solve for x
    x = 5,937,317,678.57/88,765.76
  6. Step 6: Final answer
    x = 66,887.48

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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.