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Finding the Fourth Proportional to 107,155.62, 147,878.19 and 59,413.41

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Solution

The fourth proportional to 107,155.62, 147,878.19 and 59,413.41 is: 81,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,155.62 : 147,878.19 = 59,413.41 : x
  2. Step 2: Convert to fraction form
    107,155.62/147,878.19 = 59,413.41/x
  3. Step 3: Cross multiply
    107,155.62x = 147,878.19 × 59,413.41
  4. Step 4: Simplify right side
    107,155.62x = 8,785,947,532.53
  5. Step 5: Solve for x
    x = 8,785,947,532.53/107,155.62
  6. Step 6: Final answer
    x = 81,992.41

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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.