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Finding the Fourth Proportional to 100,401.93, 150,463.58 and 55,962.09

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Solution

The fourth proportional to 100,401.93, 150,463.58 and 55,962.09 is: 83,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401.93 : 150,463.58 = 55,962.09 : x
  2. Step 2: Convert to fraction form
    100,401.93/150,463.58 = 55,962.09/x
  3. Step 3: Cross multiply
    100,401.93x = 150,463.58 × 55,962.09
  4. Step 4: Simplify right side
    100,401.93x = 8,420,256,125.87
  5. Step 5: Solve for x
    x = 8,420,256,125.87/100,401.93
  6. Step 6: Final answer
    x = 83,865.48

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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.