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Finding the Fourth Proportional to 107,777.84, 161,674.97 and 36,678.47

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Solution

The fourth proportional to 107,777.84, 161,674.97 and 36,678.47 is: 55,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.84 : 161,674.97 = 36,678.47 : x
  2. Step 2: Convert to fraction form
    107,777.84/161,674.97 = 36,678.47/x
  3. Step 3: Cross multiply
    107,777.84x = 161,674.97 × 36,678.47
  4. Step 4: Simplify right side
    107,777.84x = 5,929,990,757.69
  5. Step 5: Solve for x
    x = 5,929,990,757.69/107,777.84
  6. Step 6: Final answer
    x = 55,020.50

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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.