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Finding the Fourth Proportional to 98,692.58, 136,195.82 and 53,370.56

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Solution

The fourth proportional to 98,692.58, 136,195.82 and 53,370.56 is: 73,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,692.58 : 136,195.82 = 53,370.56 : x
  2. Step 2: Convert to fraction form
    98,692.58/136,195.82 = 53,370.56/x
  3. Step 3: Cross multiply
    98,692.58x = 136,195.82 × 53,370.56
  4. Step 4: Simplify right side
    98,692.58x = 7,268,846,575.72
  5. Step 5: Solve for x
    x = 7,268,846,575.72/98,692.58
  6. Step 6: Final answer
    x = 73,651.40

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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.