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Finding the Fourth Proportional to 73,838.32, 101,908.04 and 45,174.64

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Solution

The fourth proportional to 73,838.32, 101,908.04 and 45,174.64 is: 62,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,838.32 : 101,908.04 = 45,174.64 : x
  2. Step 2: Convert to fraction form
    73,838.32/101,908.04 = 45,174.64/x
  3. Step 3: Cross multiply
    73,838.32x = 101,908.04 × 45,174.64
  4. Step 4: Simplify right side
    73,838.32x = 4,603,659,020.11
  5. Step 5: Solve for x
    x = 4,603,659,020.11/73,838.32
  6. Step 6: Final answer
    x = 62,347.83

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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.