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Finding the Fourth Proportional to 132,808.14, 199,270.80 and 69,613.11

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Solution

The fourth proportional to 132,808.14, 199,270.80 and 69,613.11 is: 104,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808.14 : 199,270.80 = 69,613.11 : x
  2. Step 2: Convert to fraction form
    132,808.14/199,270.80 = 69,613.11/x
  3. Step 3: Cross multiply
    132,808.14x = 199,270.80 × 69,613.11
  4. Step 4: Simplify right side
    132,808.14x = 13,871,860,120.19
  5. Step 5: Solve for x
    x = 13,871,860,120.19/132,808.14
  6. Step 6: Final answer
    x = 104,450.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.