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Finding the Fourth Proportional to 101,694.52, 140,338.62 and 56,373.20

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Solution

The fourth proportional to 101,694.52, 140,338.62 and 56,373.20 is: 77,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,694.52 : 140,338.62 = 56,373.20 : x
  2. Step 2: Convert to fraction form
    101,694.52/140,338.62 = 56,373.20/x
  3. Step 3: Cross multiply
    101,694.52x = 140,338.62 × 56,373.20
  4. Step 4: Simplify right side
    101,694.52x = 7,911,337,092.98
  5. Step 5: Solve for x
    x = 7,911,337,092.98/101,694.52
  6. Step 6: Final answer
    x = 77,795.12

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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.