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Finding the Fourth Proportional to 73,857.64, 101,934.30 and 42,034.36

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Solution

The fourth proportional to 73,857.64, 101,934.30 and 42,034.36 is: 58,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,857.64 : 101,934.30 = 42,034.36 : x
  2. Step 2: Convert to fraction form
    73,857.64/101,934.30 = 42,034.36/x
  3. Step 3: Cross multiply
    73,857.64x = 101,934.30 × 42,034.36
  4. Step 4: Simplify right side
    73,857.64x = 4,284,743,062.55
  5. Step 5: Solve for x
    x = 4,284,743,062.55/73,857.64
  6. Step 6: Final answer
    x = 58,013.54

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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.