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Finding the Fourth Proportional to 360,060.81, 540,156.83 and 123,427.41

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Solution

The fourth proportional to 360,060.81, 540,156.83 and 123,427.41 is: 185,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,060.81 : 540,156.83 = 123,427.41 : x
  2. Step 2: Convert to fraction form
    360,060.81/540,156.83 = 123,427.41/x
  3. Step 3: Cross multiply
    360,060.81x = 540,156.83 × 123,427.41
  4. Step 4: Simplify right side
    360,060.81x = 66,670,157,903.57
  5. Step 5: Solve for x
    x = 66,670,157,903.57/360,060.81
  6. Step 6: Final answer
    x = 185,163.61

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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.