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Finding the Fourth Proportional to 101,224.68, 151,929.18 and 53,879.55

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Solution

The fourth proportional to 101,224.68, 151,929.18 and 53,879.55 is: 80,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,224.68 : 151,929.18 = 53,879.55 : x
  2. Step 2: Convert to fraction form
    101,224.68/151,929.18 = 53,879.55/x
  3. Step 3: Cross multiply
    101,224.68x = 151,929.18 × 53,879.55
  4. Step 4: Simplify right side
    101,224.68x = 8,185,875,850.27
  5. Step 5: Solve for x
    x = 8,185,875,850.27/101,224.68
  6. Step 6: Final answer
    x = 80,868.38

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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.