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Finding the Fourth Proportional to 101,496.66, 140,064.35 and 56,174.73

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Solution

The fourth proportional to 101,496.66, 140,064.35 and 56,174.73 is: 77,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,496.66 : 140,064.35 = 56,174.73 : x
  2. Step 2: Convert to fraction form
    101,496.66/140,064.35 = 56,174.73/x
  3. Step 3: Cross multiply
    101,496.66x = 140,064.35 × 56,174.73
  4. Step 4: Simplify right side
    101,496.66x = 7,868,077,043.88
  5. Step 5: Solve for x
    x = 7,868,077,043.88/101,496.66
  6. Step 6: Final answer
    x = 77,520.55

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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.