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Finding the Fourth Proportional to 93,613.95, 140,129.33 and 67,369.95

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Solution

The fourth proportional to 93,613.95, 140,129.33 and 67,369.95 is: 100,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.95 : 140,129.33 = 67,369.95 : x
  2. Step 2: Convert to fraction form
    93,613.95/140,129.33 = 67,369.95/x
  3. Step 3: Cross multiply
    93,613.95x = 140,129.33 × 67,369.95
  4. Step 4: Simplify right side
    93,613.95x = 9,440,505,618.78
  5. Step 5: Solve for x
    x = 9,440,505,618.78/93,613.95
  6. Step 6: Final answer
    x = 100,845.07

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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.