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Finding the Fourth Proportional to 93,073.48, 139,387.86 and 50,890.48

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Solution

The fourth proportional to 93,073.48, 139,387.86 and 50,890.48 is: 76,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073.48 : 139,387.86 = 50,890.48 : x
  2. Step 2: Convert to fraction form
    93,073.48/139,387.86 = 50,890.48/x
  3. Step 3: Cross multiply
    93,073.48x = 139,387.86 × 50,890.48
  4. Step 4: Simplify right side
    93,073.48x = 7,093,515,101.57
  5. Step 5: Solve for x
    x = 7,093,515,101.57/93,073.48
  6. Step 6: Final answer
    x = 76,214.14

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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.