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Finding the Fourth Proportional to 68,343.65, 102,516.15 and 23,971.47

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Solution

The fourth proportional to 68,343.65, 102,516.15 and 23,971.47 is: 35,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.65 : 102,516.15 = 23,971.47 : x
  2. Step 2: Convert to fraction form
    68,343.65/102,516.15 = 23,971.47/x
  3. Step 3: Cross multiply
    68,343.65x = 102,516.15 × 23,971.47
  4. Step 4: Simplify right side
    68,343.65x = 2,457,462,814.24
  5. Step 5: Solve for x
    x = 2,457,462,814.24/68,343.65
  6. Step 6: Final answer
    x = 35,957.44

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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.