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Finding the Fourth Proportional to 254,251.52, 381,548.16 and 136,006.40

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Solution

The fourth proportional to 254,251.52, 381,548.16 and 136,006.40 is: 204,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,251.52 : 381,548.16 = 136,006.40 : x
  2. Step 2: Convert to fraction form
    254,251.52/381,548.16 = 136,006.40/x
  3. Step 3: Cross multiply
    254,251.52x = 381,548.16 × 136,006.40
  4. Step 4: Simplify right side
    254,251.52x = 51,892,991,668.22
  5. Step 5: Solve for x
    x = 51,892,991,668.22/254,251.52
  6. Step 6: Final answer
    x = 204,101.01

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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.