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Finding the Fourth Proportional to 107,552.64, 148,413.12 and 62,832

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Solution

The fourth proportional to 107,552.64, 148,413.12 and 62,832 is: 86,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,552.64 : 148,413.12 = 62,832 : x
  2. Step 2: Convert to fraction form
    107,552.64/148,413.12 = 62,832/x
  3. Step 3: Cross multiply
    107,552.64x = 148,413.12 × 62,832
  4. Step 4: Simplify right side
    107,552.64x = 9,325,093,155.84
  5. Step 5: Solve for x
    x = 9,325,093,155.84/107,552.64
  6. Step 6: Final answer
    x = 86,702.60

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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.