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Finding the Fourth Proportional to 117,588.73, 176,397.68 and 38,730.37

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Solution

The fourth proportional to 117,588.73, 176,397.68 and 38,730.37 is: 58,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,588.73 : 176,397.68 = 38,730.37 : x
  2. Step 2: Convert to fraction form
    117,588.73/176,397.68 = 38,730.37/x
  3. Step 3: Cross multiply
    117,588.73x = 176,397.68 × 38,730.37
  4. Step 4: Simplify right side
    117,588.73x = 6,831,947,413.54
  5. Step 5: Solve for x
    x = 6,831,947,413.54/117,588.73
  6. Step 6: Final answer
    x = 58,100.36

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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.