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Finding the Fourth Proportional to 73,787.67, 101,828.16 and 40,253.67

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Solution

The fourth proportional to 73,787.67, 101,828.16 and 40,253.67 is: 55,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,787.67 : 101,828.16 = 40,253.67 : x
  2. Step 2: Convert to fraction form
    73,787.67/101,828.16 = 40,253.67/x
  3. Step 3: Cross multiply
    73,787.67x = 101,828.16 × 40,253.67
  4. Step 4: Simplify right side
    73,787.67x = 4,098,957,149.35
  5. Step 5: Solve for x
    x = 4,098,957,149.35/73,787.67
  6. Step 6: Final answer
    x = 55,550.71

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1.5x scale

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.