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Finding the Fourth Proportional to 101,843.96, 140,544.46 and 56,522.48

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Solution

The fourth proportional to 101,843.96, 140,544.46 and 56,522.48 is: 78,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843.96 : 140,544.46 = 56,522.48 : x
  2. Step 2: Convert to fraction form
    101,843.96/140,544.46 = 56,522.48/x
  3. Step 3: Cross multiply
    101,843.96x = 140,544.46 × 56,522.48
  4. Step 4: Simplify right side
    101,843.96x = 7,943,921,429.46
  5. Step 5: Solve for x
    x = 7,943,921,429.46/101,843.96
  6. Step 6: Final answer
    x = 78,000.91

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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.