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Finding the Fourth Proportional to 101,789.74, 152,695.95 and 35,235.82

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Solution

The fourth proportional to 101,789.74, 152,695.95 and 35,235.82 is: 52,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,789.74 : 152,695.95 = 35,235.82 : x
  2. Step 2: Convert to fraction form
    101,789.74/152,695.95 = 35,235.82/x
  3. Step 3: Cross multiply
    101,789.74x = 152,695.95 × 35,235.82
  4. Step 4: Simplify right side
    101,789.74x = 5,380,367,008.93
  5. Step 5: Solve for x
    x = 5,380,367,008.93/101,789.74
  6. Step 6: Final answer
    x = 52,857.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.