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Finding the Fourth Proportional to 123,367.20, 184,969.80 and 48,442.20

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Solution

The fourth proportional to 123,367.20, 184,969.80 and 48,442.20 is: 72,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,367.20 : 184,969.80 = 48,442.20 : x
  2. Step 2: Convert to fraction form
    123,367.20/184,969.80 = 48,442.20/x
  3. Step 3: Cross multiply
    123,367.20x = 184,969.80 × 48,442.20
  4. Step 4: Simplify right side
    123,367.20x = 8,960,344,045.56
  5. Step 5: Solve for x
    x = 8,960,344,045.56/123,367.20
  6. Step 6: Final answer
    x = 72,631.49

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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.