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Finding the Fourth Proportional to 100,392.01, 150,601.88 and 33,851.18

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Solution

The fourth proportional to 100,392.01, 150,601.88 and 33,851.18 is: 50,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,392.01 : 150,601.88 = 33,851.18 : x
  2. Step 2: Convert to fraction form
    100,392.01/150,601.88 = 33,851.18/x
  3. Step 3: Cross multiply
    100,392.01x = 150,601.88 × 33,851.18
  4. Step 4: Simplify right side
    100,392.01x = 5,098,051,809.35
  5. Step 5: Solve for x
    x = 5,098,051,809.35/100,392.01
  6. Step 6: Final answer
    x = 50,781.45

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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.