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Finding the Fourth Proportional to 88,502.56, 122,134.96 and 48,218.24

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Solution

The fourth proportional to 88,502.56, 122,134.96 and 48,218.24 is: 66,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,502.56 : 122,134.96 = 48,218.24 : x
  2. Step 2: Convert to fraction form
    88,502.56/122,134.96 = 48,218.24/x
  3. Step 3: Cross multiply
    88,502.56x = 122,134.96 × 48,218.24
  4. Step 4: Simplify right side
    88,502.56x = 5,889,132,813.67
  5. Step 5: Solve for x
    x = 5,889,132,813.67/88,502.56
  6. Step 6: Final answer
    x = 66,541.95

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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.