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Finding the Fourth Proportional to 93,365.54, 139,976.51 and 48,338.61

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Solution

The fourth proportional to 93,365.54, 139,976.51 and 48,338.61 is: 72,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,365.54 : 139,976.51 = 48,338.61 : x
  2. Step 2: Convert to fraction form
    93,365.54/139,976.51 = 48,338.61/x
  3. Step 3: Cross multiply
    93,365.54x = 139,976.51 × 48,338.61
  4. Step 4: Simplify right side
    93,365.54x = 6,766,269,684.36
  5. Step 5: Solve for x
    x = 6,766,269,684.36/93,365.54
  6. Step 6: Final answer
    x = 72,470.74

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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.