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Finding the Fourth Proportional to 99,713.70, 137,324.97 and 97,536.42

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Solution

The fourth proportional to 99,713.70, 137,324.97 and 97,536.42 is: 134,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.70 : 137,324.97 = 97,536.42 : x
  2. Step 2: Convert to fraction form
    99,713.70/137,324.97 = 97,536.42/x
  3. Step 3: Cross multiply
    99,713.70x = 137,324.97 × 97,536.42
  4. Step 4: Simplify right side
    99,713.70x = 13,394,185,950.41
  5. Step 5: Solve for x
    x = 13,394,185,950.41/99,713.70
  6. Step 6: Final answer
    x = 134,326.44

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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.