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Finding the Fourth Proportional to 69,635.97, 104,437.22 and 48,762.81

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Solution

The fourth proportional to 69,635.97, 104,437.22 and 48,762.81 is: 73,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,635.97 : 104,437.22 = 48,762.81 : x
  2. Step 2: Convert to fraction form
    69,635.97/104,437.22 = 48,762.81/x
  3. Step 3: Cross multiply
    69,635.97x = 104,437.22 × 48,762.81
  4. Step 4: Simplify right side
    69,635.97x = 5,092,652,071.97
  5. Step 5: Solve for x
    x = 5,092,652,071.97/69,635.97
  6. Step 6: Final answer
    x = 73,132.49

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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.