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Finding the Fourth Proportional to 101,796.84, 152,695.26 and 55,140.84

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Solution

The fourth proportional to 101,796.84, 152,695.26 and 55,140.84 is: 82,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,796.84 : 152,695.26 = 55,140.84 : x
  2. Step 2: Convert to fraction form
    101,796.84/152,695.26 = 55,140.84/x
  3. Step 3: Cross multiply
    101,796.84x = 152,695.26 × 55,140.84
  4. Step 4: Simplify right side
    101,796.84x = 8,419,744,900.42
  5. Step 5: Solve for x
    x = 8,419,744,900.42/101,796.84
  6. Step 6: Final answer
    x = 82,711.26

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1.5x scale

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.