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Finding the Fourth Proportional to 100,608.48, 150,682.95 and 48,055.14

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Solution

The fourth proportional to 100,608.48, 150,682.95 and 48,055.14 is: 71,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.48 : 150,682.95 = 48,055.14 : x
  2. Step 2: Convert to fraction form
    100,608.48/150,682.95 = 48,055.14/x
  3. Step 3: Cross multiply
    100,608.48x = 150,682.95 × 48,055.14
  4. Step 4: Simplify right side
    100,608.48x = 7,241,090,257.86
  5. Step 5: Solve for x
    x = 7,241,090,257.86/100,608.48
  6. Step 6: Final answer
    x = 71,972.96

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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.