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Finding the Fourth Proportional to 93,857.53, 140,673.69 and 65,623.63

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Solution

The fourth proportional to 93,857.53, 140,673.69 and 65,623.63 is: 98,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,857.53 : 140,673.69 = 65,623.63 : x
  2. Step 2: Convert to fraction form
    93,857.53/140,673.69 = 65,623.63/x
  3. Step 3: Cross multiply
    93,857.53x = 140,673.69 × 65,623.63
  4. Step 4: Simplify right side
    93,857.53x = 9,231,518,183.29
  5. Step 5: Solve for x
    x = 9,231,518,183.29/93,857.53
  6. Step 6: Final answer
    x = 98,356.71

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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.