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Finding the Fourth Proportional to 168,777.96, 232,936.74 and 101,697

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Solution

The fourth proportional to 168,777.96, 232,936.74 and 101,697 is: 140,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,777.96 : 232,936.74 = 101,697 : x
  2. Step 2: Convert to fraction form
    168,777.96/232,936.74 = 101,697/x
  3. Step 3: Cross multiply
    168,777.96x = 232,936.74 × 101,697
  4. Step 4: Simplify right side
    168,777.96x = 23,688,967,647.78
  5. Step 5: Solve for x
    x = 23,688,967,647.78/168,777.96
  6. Step 6: Final answer
    x = 140,355.81

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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.