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Finding the Fourth Proportional to 242,473.94, 334,640.20 and 133,589.40

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Solution

The fourth proportional to 242,473.94, 334,640.20 and 133,589.40 is: 184,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,473.94 : 334,640.20 = 133,589.40 : x
  2. Step 2: Convert to fraction form
    242,473.94/334,640.20 = 133,589.40/x
  3. Step 3: Cross multiply
    242,473.94x = 334,640.20 × 133,589.40
  4. Step 4: Simplify right side
    242,473.94x = 44,704,382,972.75
  5. Step 5: Solve for x
    x = 44,704,382,972.75/242,473.94
  6. Step 6: Final answer
    x = 184,367.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.