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Finding the Fourth Proportional to 158,737, 219,057.06 and 88,081

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Solution

The fourth proportional to 158,737, 219,057.06 and 88,081 is: 121,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,737 : 219,057.06 = 88,081 : x
  2. Step 2: Convert to fraction form
    158,737/219,057.06 = 88,081/x
  3. Step 3: Cross multiply
    158,737x = 219,057.06 × 88,081
  4. Step 4: Simplify right side
    158,737x = 19,294,764,901.86
  5. Step 5: Solve for x
    x = 19,294,764,901.86/158,737
  6. Step 6: Final answer
    x = 121,551.78

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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.