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Finding the Fourth Proportional to 100,089.08, 150,122.44 and 25,209.20

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Solution

The fourth proportional to 100,089.08, 150,122.44 and 25,209.20 is: 37,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,089.08 : 150,122.44 = 25,209.20 : x
  2. Step 2: Convert to fraction form
    100,089.08/150,122.44 = 25,209.20/x
  3. Step 3: Cross multiply
    100,089.08x = 150,122.44 × 25,209.20
  4. Step 4: Simplify right side
    100,089.08x = 3,784,466,614.45
  5. Step 5: Solve for x
    x = 3,784,466,614.45/100,089.08
  6. Step 6: Final answer
    x = 37,810.98

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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.