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Finding the Fourth Proportional to 101,859.93, 140,560.06 and 56,535.73

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Solution

The fourth proportional to 101,859.93, 140,560.06 and 56,535.73 is: 78,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859.93 : 140,560.06 = 56,535.73 : x
  2. Step 2: Convert to fraction form
    101,859.93/140,560.06 = 56,535.73/x
  3. Step 3: Cross multiply
    101,859.93x = 140,560.06 × 56,535.73
  4. Step 4: Simplify right side
    101,859.93x = 7,946,665,600.94
  5. Step 5: Solve for x
    x = 7,946,665,600.94/101,859.93
  6. Step 6: Final answer
    x = 78,015.62

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1.5x scale

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.