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Finding the Fourth Proportional to 73,785.76, 101,846.16 and 51,436.96

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Solution

The fourth proportional to 73,785.76, 101,846.16 and 51,436.96 is: 70,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.76 : 101,846.16 = 51,436.96 : x
  2. Step 2: Convert to fraction form
    73,785.76/101,846.16 = 51,436.96/x
  3. Step 3: Cross multiply
    73,785.76x = 101,846.16 × 51,436.96
  4. Step 4: Simplify right side
    73,785.76x = 5,238,656,858.07
  5. Step 5: Solve for x
    x = 5,238,656,858.07/73,785.76
  6. Step 6: Final answer
    x = 70,998.21

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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.