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Finding the Fourth Proportional to 155,682.97, 233,343 and 71,452.04

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Solution

The fourth proportional to 155,682.97, 233,343 and 71,452.04 is: 107,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,682.97 : 233,343 = 71,452.04 : x
  2. Step 2: Convert to fraction form
    155,682.97/233,343 = 71,452.04/x
  3. Step 3: Cross multiply
    155,682.97x = 233,343 × 71,452.04
  4. Step 4: Simplify right side
    155,682.97x = 16,672,832,203.01
  5. Step 5: Solve for x
    x = 16,672,832,203.01/155,682.97
  6. Step 6: Final answer
    x = 107,094.77

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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.