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Finding the Fourth Proportional to 123,332.80, 184,934.40 and 44,435.20

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Solution

The fourth proportional to 123,332.80, 184,934.40 and 44,435.20 is: 66,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.80 : 184,934.40 = 44,435.20 : x
  2. Step 2: Convert to fraction form
    123,332.80/184,934.40 = 44,435.20/x
  3. Step 3: Cross multiply
    123,332.80x = 184,934.40 × 44,435.20
  4. Step 4: Simplify right side
    123,332.80x = 8,217,597,050.88
  5. Step 5: Solve for x
    x = 8,217,597,050.88/123,332.80
  6. Step 6: Final answer
    x = 66,629.45

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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.