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Finding the Fourth Proportional to 101,519.82, 140,095.28 and 56,197.82

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Solution

The fourth proportional to 101,519.82, 140,095.28 and 56,197.82 is: 77,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.82 : 140,095.28 = 56,197.82 : x
  2. Step 2: Convert to fraction form
    101,519.82/140,095.28 = 56,197.82/x
  3. Step 3: Cross multiply
    101,519.82x = 140,095.28 × 56,197.82
  4. Step 4: Simplify right side
    101,519.82x = 7,873,048,346.82
  5. Step 5: Solve for x
    x = 7,873,048,346.82/101,519.82
  6. Step 6: Final answer
    x = 77,551.84

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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.