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Finding the Fourth Proportional to 101,266.80, 151,900.20 and 51,500.40

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Solution

The fourth proportional to 101,266.80, 151,900.20 and 51,500.40 is: 77,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,266.80 : 151,900.20 = 51,500.40 : x
  2. Step 2: Convert to fraction form
    101,266.80/151,900.20 = 51,500.40/x
  3. Step 3: Cross multiply
    101,266.80x = 151,900.20 × 51,500.40
  4. Step 4: Simplify right side
    101,266.80x = 7,822,921,060.08
  5. Step 5: Solve for x
    x = 7,822,921,060.08/101,266.80
  6. Step 6: Final answer
    x = 77,250.60

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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.