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Finding the Fourth Proportional to 100,365.66, 150,517.08 and 36,315.72

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Solution

The fourth proportional to 100,365.66, 150,517.08 and 36,315.72 is: 54,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,365.66 : 150,517.08 = 36,315.72 : x
  2. Step 2: Convert to fraction form
    100,365.66/150,517.08 = 36,315.72/x
  3. Step 3: Cross multiply
    100,365.66x = 150,517.08 × 36,315.72
  4. Step 4: Simplify right side
    100,365.66x = 5,466,136,132.50
  5. Step 5: Solve for x
    x = 5,466,136,132.50/100,365.66
  6. Step 6: Final answer
    x = 54,462.21

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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.