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Finding the Fourth Proportional to 100,553.16, 150,850.44 and 29,478.15

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Solution

The fourth proportional to 100,553.16, 150,850.44 and 29,478.15 is: 44,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.16 : 150,850.44 = 29,478.15 : x
  2. Step 2: Convert to fraction form
    100,553.16/150,850.44 = 29,478.15/x
  3. Step 3: Cross multiply
    100,553.16x = 150,850.44 × 29,478.15
  4. Step 4: Simplify right side
    100,553.16x = 4,446,791,897.89
  5. Step 5: Solve for x
    x = 4,446,791,897.89/100,553.16
  6. Step 6: Final answer
    x = 44,223.29

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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.