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Finding the Fourth Proportional to 68,932.61, 103,413.64 and 23,955.39

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Solution

The fourth proportional to 68,932.61, 103,413.64 and 23,955.39 is: 35,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,932.61 : 103,413.64 = 23,955.39 : x
  2. Step 2: Convert to fraction form
    68,932.61/103,413.64 = 23,955.39/x
  3. Step 3: Cross multiply
    68,932.61x = 103,413.64 × 23,955.39
  4. Step 4: Simplify right side
    68,932.61x = 2,477,314,077.52
  5. Step 5: Solve for x
    x = 2,477,314,077.52/68,932.61
  6. Step 6: Final answer
    x = 35,938.20

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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.