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Finding the Fourth Proportional to 107,390.69, 161,086.62 and 36,313.80

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Solution

The fourth proportional to 107,390.69, 161,086.62 and 36,313.80 is: 54,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.69 : 161,086.62 = 36,313.80 : x
  2. Step 2: Convert to fraction form
    107,390.69/161,086.62 = 36,313.80/x
  3. Step 3: Cross multiply
    107,390.69x = 161,086.62 × 36,313.80
  4. Step 4: Simplify right side
    107,390.69x = 5,849,667,301.36
  5. Step 5: Solve for x
    x = 5,849,667,301.36/107,390.69
  6. Step 6: Final answer
    x = 54,470.90

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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.