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Finding the Fourth Proportional to 200,554.80, 276,692.40 and 119,984.64

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Solution

The fourth proportional to 200,554.80, 276,692.40 and 119,984.64 is: 165,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,554.80 : 276,692.40 = 119,984.64 : x
  2. Step 2: Convert to fraction form
    200,554.80/276,692.40 = 119,984.64/x
  3. Step 3: Cross multiply
    200,554.80x = 276,692.40 × 119,984.64
  4. Step 4: Simplify right side
    200,554.80x = 33,198,838,004.74
  5. Step 5: Solve for x
    x = 33,198,838,004.74/200,554.80
  6. Step 6: Final answer
    x = 165,535.00

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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.