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Finding the Fourth Proportional to 136,277.20, 204,415.80 and 100,847.80

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Solution

The fourth proportional to 136,277.20, 204,415.80 and 100,847.80 is: 151,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,277.20 : 204,415.80 = 100,847.80 : x
  2. Step 2: Convert to fraction form
    136,277.20/204,415.80 = 100,847.80/x
  3. Step 3: Cross multiply
    136,277.20x = 204,415.80 × 100,847.80
  4. Step 4: Simplify right side
    136,277.20x = 20,614,883,715.24
  5. Step 5: Solve for x
    x = 20,614,883,715.24/136,277.20
  6. Step 6: Final answer
    x = 151,271.70

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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.