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Finding the Fourth Proportional to 64,100.97, 88,459.33 and 35,806.66

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Solution

The fourth proportional to 64,100.97, 88,459.33 and 35,806.66 is: 49,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.97 : 88,459.33 = 35,806.66 : x
  2. Step 2: Convert to fraction form
    64,100.97/88,459.33 = 35,806.66/x
  3. Step 3: Cross multiply
    64,100.97x = 88,459.33 × 35,806.66
  4. Step 4: Simplify right side
    64,100.97x = 3,167,432,755.60
  5. Step 5: Solve for x
    x = 3,167,432,755.60/64,100.97
  6. Step 6: Final answer
    x = 49,413.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.