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Finding the Fourth Proportional to 68,403.42, 102,615.42 and 24,022.38

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Solution

The fourth proportional to 68,403.42, 102,615.42 and 24,022.38 is: 36,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403.42 : 102,615.42 = 24,022.38 : x
  2. Step 2: Convert to fraction form
    68,403.42/102,615.42 = 24,022.38/x
  3. Step 3: Cross multiply
    68,403.42x = 102,615.42 × 24,022.38
  4. Step 4: Simplify right side
    68,403.42x = 2,465,066,613.10
  5. Step 5: Solve for x
    x = 2,465,066,613.10/68,403.42
  6. Step 6: Final answer
    x = 36,037.18

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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.