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Finding the Fourth Proportional to 123,651.60, 185,520.60 and 44,768.40

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Solution

The fourth proportional to 123,651.60, 185,520.60 and 44,768.40 is: 67,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,651.60 : 185,520.60 = 44,768.40 : x
  2. Step 2: Convert to fraction form
    123,651.60/185,520.60 = 44,768.40/x
  3. Step 3: Cross multiply
    123,651.60x = 185,520.60 × 44,768.40
  4. Step 4: Simplify right side
    123,651.60x = 8,305,460,429.04
  5. Step 5: Solve for x
    x = 8,305,460,429.04/123,651.60
  6. Step 6: Final answer
    x = 67,168.24

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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.