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Finding the Fourth Proportional to 109,553.67, 164,413.65 and 73,930.68

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Solution

The fourth proportional to 109,553.67, 164,413.65 and 73,930.68 is: 110,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.67 : 164,413.65 = 73,930.68 : x
  2. Step 2: Convert to fraction form
    109,553.67/164,413.65 = 73,930.68/x
  3. Step 3: Cross multiply
    109,553.67x = 164,413.65 × 73,930.68
  4. Step 4: Simplify right side
    109,553.67x = 12,155,212,945.78
  5. Step 5: Solve for x
    x = 12,155,212,945.78/109,553.67
  6. Step 6: Final answer
    x = 110,952.13

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1.5x scale

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.