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Finding the Fourth Proportional to 88,768, 133,156.32 and 26,439.04

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Solution

The fourth proportional to 88,768, 133,156.32 and 26,439.04 is: 39,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,768 : 133,156.32 = 26,439.04 : x
  2. Step 2: Convert to fraction form
    88,768/133,156.32 = 26,439.04/x
  3. Step 3: Cross multiply
    88,768x = 133,156.32 × 26,439.04
  4. Step 4: Simplify right side
    88,768x = 3,520,525,270.73
  5. Step 5: Solve for x
    x = 3,520,525,270.73/88,768
  6. Step 6: Final answer
    x = 39,659.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.