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Finding the Fourth Proportional to 360,171.92, 540,288.56 and 107,436.12

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Solution

The fourth proportional to 360,171.92, 540,288.56 and 107,436.12 is: 161,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,171.92 : 540,288.56 = 107,436.12 : x
  2. Step 2: Convert to fraction form
    360,171.92/540,288.56 = 107,436.12/x
  3. Step 3: Cross multiply
    360,171.92x = 540,288.56 × 107,436.12
  4. Step 4: Simplify right side
    360,171.92x = 58,046,506,566.79
  5. Step 5: Solve for x
    x = 58,046,506,566.79/360,171.92
  6. Step 6: Final answer
    x = 161,163.33

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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.