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Finding the Fourth Proportional to 270,972.92, 373,941.42 and 156,251

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Solution

The fourth proportional to 270,972.92, 373,941.42 and 156,251 is: 215,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,972.92 : 373,941.42 = 156,251 : x
  2. Step 2: Convert to fraction form
    270,972.92/373,941.42 = 156,251/x
  3. Step 3: Cross multiply
    270,972.92x = 373,941.42 × 156,251
  4. Step 4: Simplify right side
    270,972.92x = 58,428,720,816.42
  5. Step 5: Solve for x
    x = 58,428,720,816.42/270,972.92
  6. Step 6: Final answer
    x = 215,625.68

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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.