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Finding the Fourth Proportional to 98,327.88, 135,692.46 and 53,615.88

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Solution

The fourth proportional to 98,327.88, 135,692.46 and 53,615.88 is: 73,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,327.88 : 135,692.46 = 53,615.88 : x
  2. Step 2: Convert to fraction form
    98,327.88/135,692.46 = 53,615.88/x
  3. Step 3: Cross multiply
    98,327.88x = 135,692.46 × 53,615.88
  4. Step 4: Simplify right side
    98,327.88x = 7,275,270,652.26
  5. Step 5: Solve for x
    x = 7,275,270,652.26/98,327.88
  6. Step 6: Final answer
    x = 73,989.91

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1.5x scale

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.