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Finding the Fourth Proportional to 101,717.57, 152,558.94 and 26,838.49

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Solution

The fourth proportional to 101,717.57, 152,558.94 and 26,838.49 is: 40,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,717.57 : 152,558.94 = 26,838.49 : x
  2. Step 2: Convert to fraction form
    101,717.57/152,558.94 = 26,838.49/x
  3. Step 3: Cross multiply
    101,717.57x = 152,558.94 × 26,838.49
  4. Step 4: Simplify right side
    101,717.57x = 4,094,451,590.90
  5. Step 5: Solve for x
    x = 4,094,451,590.90/101,717.57
  6. Step 6: Final answer
    x = 40,253.14

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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.