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Finding the Fourth Proportional to 93,395.48, 139,951.13 and 68,452.07

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Solution

The fourth proportional to 93,395.48, 139,951.13 and 68,452.07 is: 102,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.48 : 139,951.13 = 68,452.07 : x
  2. Step 2: Convert to fraction form
    93,395.48/139,951.13 = 68,452.07/x
  3. Step 3: Cross multiply
    93,395.48x = 139,951.13 × 68,452.07
  4. Step 4: Simplify right side
    93,395.48x = 9,579,943,505.32
  5. Step 5: Solve for x
    x = 9,579,943,505.32/93,395.48
  6. Step 6: Final answer
    x = 102,573.96

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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.