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Finding the Fourth Proportional to 73,435.81, 101,342.04 and 39,901.81

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Solution

The fourth proportional to 73,435.81, 101,342.04 and 39,901.81 is: 55,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435.81 : 101,342.04 = 39,901.81 : x
  2. Step 2: Convert to fraction form
    73,435.81/101,342.04 = 39,901.81/x
  3. Step 3: Cross multiply
    73,435.81x = 101,342.04 × 39,901.81
  4. Step 4: Simplify right side
    73,435.81x = 4,043,730,825.09
  5. Step 5: Solve for x
    x = 4,043,730,825.09/73,435.81
  6. Step 6: Final answer
    x = 55,064.84

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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.