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Finding the Fourth Proportional to 93,668.01, 140,601.05 and 91,552.70

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Solution

The fourth proportional to 93,668.01, 140,601.05 and 91,552.70 is: 137,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,668.01 : 140,601.05 = 91,552.70 : x
  2. Step 2: Convert to fraction form
    93,668.01/140,601.05 = 91,552.70/x
  3. Step 3: Cross multiply
    93,668.01x = 140,601.05 × 91,552.70
  4. Step 4: Simplify right side
    93,668.01x = 12,872,404,589.57
  5. Step 5: Solve for x
    x = 12,872,404,589.57/93,668.01
  6. Step 6: Final answer
    x = 137,425.84

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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.