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Finding the Fourth Proportional to 360,122.56, 540,099.84 and 107,379.84

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Solution

The fourth proportional to 360,122.56, 540,099.84 and 107,379.84 is: 161,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,122.56 : 540,099.84 = 107,379.84 : x
  2. Step 2: Convert to fraction form
    360,122.56/540,099.84 = 107,379.84/x
  3. Step 3: Cross multiply
    360,122.56x = 540,099.84 × 107,379.84
  4. Step 4: Simplify right side
    360,122.56x = 57,995,834,403.23
  5. Step 5: Solve for x
    x = 57,995,834,403.23/360,122.56
  6. Step 6: Final answer
    x = 161,044.71

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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.