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Finding the Fourth Proportional to 100,554.16, 150,851.94 and 29,479.15

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Solution

The fourth proportional to 100,554.16, 150,851.94 and 29,479.15 is: 44,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,554.16 : 150,851.94 = 29,479.15 : x
  2. Step 2: Convert to fraction form
    100,554.16/150,851.94 = 29,479.15/x
  3. Step 3: Cross multiply
    100,554.16x = 150,851.94 × 29,479.15
  4. Step 4: Simplify right side
    100,554.16x = 4,446,986,967.05
  5. Step 5: Solve for x
    x = 4,446,986,967.05/100,554.16
  6. Step 6: Final answer
    x = 44,224.79

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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.