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Finding the Fourth Proportional to 98,498.82, 136,846.05 and 97,317.84

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Solution

The fourth proportional to 98,498.82, 136,846.05 and 97,317.84 is: 135,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,498.82 : 136,846.05 = 97,317.84 : x
  2. Step 2: Convert to fraction form
    98,498.82/136,846.05 = 97,317.84/x
  3. Step 3: Cross multiply
    98,498.82x = 136,846.05 × 97,317.84
  4. Step 4: Simplify right side
    98,498.82x = 13,317,561,998.53
  5. Step 5: Solve for x
    x = 13,317,561,998.53/98,498.82
  6. Step 6: Final answer
    x = 135,205.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.