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Finding the Fourth Proportional to 88,363.92, 121,938.96 and 48,076.08

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Solution

The fourth proportional to 88,363.92, 121,938.96 and 48,076.08 is: 66,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.92 : 121,938.96 = 48,076.08 : x
  2. Step 2: Convert to fraction form
    88,363.92/121,938.96 = 48,076.08/x
  3. Step 3: Cross multiply
    88,363.92x = 121,938.96 × 48,076.08
  4. Step 4: Simplify right side
    88,363.92x = 5,862,347,196.08
  5. Step 5: Solve for x
    x = 5,862,347,196.08/88,363.92
  6. Step 6: Final answer
    x = 66,343.22

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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.