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Finding the Fourth Proportional to 200,047.80, 276,128.94 and 119,534.52

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Solution

The fourth proportional to 200,047.80, 276,128.94 and 119,534.52 is: 164,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,047.80 : 276,128.94 = 119,534.52 : x
  2. Step 2: Convert to fraction form
    200,047.80/276,128.94 = 119,534.52/x
  3. Step 3: Cross multiply
    200,047.80x = 276,128.94 × 119,534.52
  4. Step 4: Simplify right side
    200,047.80x = 33,006,940,301.01
  5. Step 5: Solve for x
    x = 33,006,940,301.01/200,047.80
  6. Step 6: Final answer
    x = 164,995.27

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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.