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Finding the Fourth Proportional to 100,361.61, 150,549.35 and 29,283.12

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Solution

The fourth proportional to 100,361.61, 150,549.35 and 29,283.12 is: 43,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361.61 : 150,549.35 = 29,283.12 : x
  2. Step 2: Convert to fraction form
    100,361.61/150,549.35 = 29,283.12/x
  3. Step 3: Cross multiply
    100,361.61x = 150,549.35 × 29,283.12
  4. Step 4: Simplify right side
    100,361.61x = 4,408,554,535.56
  5. Step 5: Solve for x
    x = 4,408,554,535.56/100,361.61
  6. Step 6: Final answer
    x = 43,926.70

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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.