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Finding the Fourth Proportional to 175,168.60, 241,732.90 and 99,717

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Solution

The fourth proportional to 175,168.60, 241,732.90 and 99,717 is: 137,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,168.60 : 241,732.90 = 99,717 : x
  2. Step 2: Convert to fraction form
    175,168.60/241,732.90 = 99,717/x
  3. Step 3: Cross multiply
    175,168.60x = 241,732.90 × 99,717
  4. Step 4: Simplify right side
    175,168.60x = 24,104,879,589.30
  5. Step 5: Solve for x
    x = 24,104,879,589.30/175,168.60
  6. Step 6: Final answer
    x = 137,609.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.