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Finding the Fourth Proportional to 175,238.40, 262,857.60 and 133,766.40

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Solution

The fourth proportional to 175,238.40, 262,857.60 and 133,766.40 is: 200,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,238.40 : 262,857.60 = 133,766.40 : x
  2. Step 2: Convert to fraction form
    175,238.40/262,857.60 = 133,766.40/x
  3. Step 3: Cross multiply
    175,238.40x = 262,857.60 × 133,766.40
  4. Step 4: Simplify right side
    175,238.40x = 35,161,514,864.64
  5. Step 5: Solve for x
    x = 35,161,514,864.64/175,238.40
  6. Step 6: Final answer
    x = 200,649.60

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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.