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Finding the Fourth Proportional to 107,413.88, 148,231.08 and 59,671.68

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Solution

The fourth proportional to 107,413.88, 148,231.08 and 59,671.68 is: 82,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,413.88 : 148,231.08 = 59,671.68 : x
  2. Step 2: Convert to fraction form
    107,413.88/148,231.08 = 59,671.68/x
  3. Step 3: Cross multiply
    107,413.88x = 148,231.08 × 59,671.68
  4. Step 4: Simplify right side
    107,413.88x = 8,845,197,571.81
  5. Step 5: Solve for x
    x = 8,845,197,571.81/107,413.88
  6. Step 6: Final answer
    x = 82,346.88

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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.