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Finding the Fourth Proportional to 101,794.74, 140,477.10 and 56,473.62

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Solution

The fourth proportional to 101,794.74, 140,477.10 and 56,473.62 is: 77,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,794.74 : 140,477.10 = 56,473.62 : x
  2. Step 2: Convert to fraction form
    101,794.74/140,477.10 = 56,473.62/x
  3. Step 3: Cross multiply
    101,794.74x = 140,477.10 × 56,473.62
  4. Step 4: Simplify right side
    101,794.74x = 7,933,250,364.10
  5. Step 5: Solve for x
    x = 7,933,250,364.10/101,794.74
  6. Step 6: Final answer
    x = 77,933.79

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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.