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Finding the Fourth Proportional to 73,903.28, 101,961.04 and 42,064.08

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Solution

The fourth proportional to 73,903.28, 101,961.04 and 42,064.08 is: 58,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903.28 : 101,961.04 = 42,064.08 : x
  2. Step 2: Convert to fraction form
    73,903.28/101,961.04 = 42,064.08/x
  3. Step 3: Cross multiply
    73,903.28x = 101,961.04 × 42,064.08
  4. Step 4: Simplify right side
    73,903.28x = 4,288,897,343.44
  5. Step 5: Solve for x
    x = 4,288,897,343.44/73,903.28
  6. Step 6: Final answer
    x = 58,033.92

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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.