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Finding the Fourth Proportional to 88,744, 133,120.32 and 26,415.04

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Solution

The fourth proportional to 88,744, 133,120.32 and 26,415.04 is: 39,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,744 : 133,120.32 = 26,415.04 : x
  2. Step 2: Convert to fraction form
    88,744/133,120.32 = 26,415.04/x
  3. Step 3: Cross multiply
    88,744x = 133,120.32 × 26,415.04
  4. Step 4: Simplify right side
    88,744x = 3,516,378,577.61
  5. Step 5: Solve for x
    x = 3,516,378,577.61/88,744
  6. Step 6: Final answer
    x = 39,623.85

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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.