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Finding the Fourth Proportional to 147,099.84, 220,650.24 and 40,485.24

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Solution

The fourth proportional to 147,099.84, 220,650.24 and 40,485.24 is: 60,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,099.84 : 220,650.24 = 40,485.24 : x
  2. Step 2: Convert to fraction form
    147,099.84/220,650.24 = 40,485.24/x
  3. Step 3: Cross multiply
    147,099.84x = 220,650.24 × 40,485.24
  4. Step 4: Simplify right side
    147,099.84x = 8,933,077,922.46
  5. Step 5: Solve for x
    x = 8,933,077,922.46/147,099.84
  6. Step 6: Final answer
    x = 60,727.99

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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.