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Finding the Fourth Proportional to 200,176.83, 276,235.92 and 119,648.79

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Solution

The fourth proportional to 200,176.83, 276,235.92 and 119,648.79 is: 165,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,176.83 : 276,235.92 = 119,648.79 : x
  2. Step 2: Convert to fraction form
    200,176.83/276,235.92 = 119,648.79/x
  3. Step 3: Cross multiply
    200,176.83x = 276,235.92 × 119,648.79
  4. Step 4: Simplify right side
    200,176.83x = 33,051,293,582.54
  5. Step 5: Solve for x
    x = 33,051,293,582.54/200,176.83
  6. Step 6: Final answer
    x = 165,110.49

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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.