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Finding the Fourth Proportional to 202,309.44, 279,131.04 and 130,692.48

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Solution

The fourth proportional to 202,309.44, 279,131.04 and 130,692.48 is: 180,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,309.44 : 279,131.04 = 130,692.48 : x
  2. Step 2: Convert to fraction form
    202,309.44/279,131.04 = 130,692.48/x
  3. Step 3: Cross multiply
    202,309.44x = 279,131.04 × 130,692.48
  4. Step 4: Simplify right side
    202,309.44x = 36,480,327,862.58
  5. Step 5: Solve for x
    x = 36,480,327,862.58/202,309.44
  6. Step 6: Final answer
    x = 180,319.45

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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.