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Finding the Fourth Proportional to 200,488, 276,673.44 and 119,918.92

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Solution

The fourth proportional to 200,488, 276,673.44 and 119,918.92 is: 165,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,488 : 276,673.44 = 119,918.92 : x
  2. Step 2: Convert to fraction form
    200,488/276,673.44 = 119,918.92/x
  3. Step 3: Cross multiply
    200,488x = 276,673.44 × 119,918.92
  4. Step 4: Simplify right side
    200,488x = 33,178,380,117.48
  5. Step 5: Solve for x
    x = 33,178,380,117.48/200,488
  6. Step 6: Final answer
    x = 165,488.11

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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.