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Finding the Fourth Proportional to 200,545.92, 276,750 and 119,927.61

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Solution

The fourth proportional to 200,545.92, 276,750 and 119,927.61 is: 165,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,545.92 : 276,750 = 119,927.61 : x
  2. Step 2: Convert to fraction form
    200,545.92/276,750 = 119,927.61/x
  3. Step 3: Cross multiply
    200,545.92x = 276,750 × 119,927.61
  4. Step 4: Simplify right side
    200,545.92x = 33,189,966,067.50
  5. Step 5: Solve for x
    x = 33,189,966,067.50/200,545.92
  6. Step 6: Final answer
    x = 165,498.09

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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.