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Finding the Fourth Proportional to 107,592, 161,413.92 and 33,720

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Solution

The fourth proportional to 107,592, 161,413.92 and 33,720 is: 50,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,592 : 161,413.92 = 33,720 : x
  2. Step 2: Convert to fraction form
    107,592/161,413.92 = 33,720/x
  3. Step 3: Cross multiply
    107,592x = 161,413.92 × 33,720
  4. Step 4: Simplify right side
    107,592x = 5,442,877,382.40
  5. Step 5: Solve for x
    x = 5,442,877,382.40/107,592
  6. Step 6: Final answer
    x = 50,588.12

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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.