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Finding the Fourth Proportional to 242,311.62, 334,399.86 and 134,874.84

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Solution

The fourth proportional to 242,311.62, 334,399.86 and 134,874.84 is: 186,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,311.62 : 334,399.86 = 134,874.84 : x
  2. Step 2: Convert to fraction form
    242,311.62/334,399.86 = 134,874.84/x
  3. Step 3: Cross multiply
    242,311.62x = 334,399.86 × 134,874.84
  4. Step 4: Simplify right side
    242,311.62x = 45,102,127,613.52
  5. Step 5: Solve for x
    x = 45,102,127,613.52/242,311.62
  6. Step 6: Final answer
    x = 186,132.75

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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.