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Finding the Fourth Proportional to 200,959.81, 277,338.56 and 132,858.46

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Solution

The fourth proportional to 200,959.81, 277,338.56 and 132,858.46 is: 183,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,959.81 : 277,338.56 = 132,858.46 : x
  2. Step 2: Convert to fraction form
    200,959.81/277,338.56 = 132,858.46/x
  3. Step 3: Cross multiply
    200,959.81x = 277,338.56 × 132,858.46
  4. Step 4: Simplify right side
    200,959.81x = 36,846,773,980.22
  5. Step 5: Solve for x
    x = 36,846,773,980.22/200,959.81
  6. Step 6: Final answer
    x = 183,353.95

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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.