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Finding the Fourth Proportional to 100,593.84, 150,909.09 and 33,129.55

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Solution

The fourth proportional to 100,593.84, 150,909.09 and 33,129.55 is: 49,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,593.84 : 150,909.09 = 33,129.55 : x
  2. Step 2: Convert to fraction form
    100,593.84/150,909.09 = 33,129.55/x
  3. Step 3: Cross multiply
    100,593.84x = 150,909.09 × 33,129.55
  4. Step 4: Simplify right side
    100,593.84x = 4,999,549,865.34
  5. Step 5: Solve for x
    x = 4,999,549,865.34/100,593.84
  6. Step 6: Final answer
    x = 49,700.36

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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.