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Finding the Fourth Proportional to 100,233.20, 150,349.80 and 64,803.80

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Solution

The fourth proportional to 100,233.20, 150,349.80 and 64,803.80 is: 97,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,233.20 : 150,349.80 = 64,803.80 : x
  2. Step 2: Convert to fraction form
    100,233.20/150,349.80 = 64,803.80/x
  3. Step 3: Cross multiply
    100,233.20x = 150,349.80 × 64,803.80
  4. Step 4: Simplify right side
    100,233.20x = 9,743,238,369.24
  5. Step 5: Solve for x
    x = 9,743,238,369.24/100,233.20
  6. Step 6: Final answer
    x = 97,205.70

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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.