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Finding the Fourth Proportional to 123,438.77, 185,158.43 and 44,608.67

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Solution

The fourth proportional to 123,438.77, 185,158.43 and 44,608.67 is: 66,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,438.77 : 185,158.43 = 44,608.67 : x
  2. Step 2: Convert to fraction form
    123,438.77/185,158.43 = 44,608.67/x
  3. Step 3: Cross multiply
    123,438.77x = 185,158.43 × 44,608.67
  4. Step 4: Simplify right side
    123,438.77x = 8,259,671,078.54
  5. Step 5: Solve for x
    x = 8,259,671,078.54/123,438.77
  6. Step 6: Final answer
    x = 66,913.10

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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.