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Finding the Fourth Proportional to 110,484, 152,462.45 and 67,413.80

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Solution

The fourth proportional to 110,484, 152,462.45 and 67,413.80 is: 93,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,484 : 152,462.45 = 67,413.80 : x
  2. Step 2: Convert to fraction form
    110,484/152,462.45 = 67,413.80/x
  3. Step 3: Cross multiply
    110,484x = 152,462.45 × 67,413.80
  4. Step 4: Simplify right side
    110,484x = 10,278,073,661.50
  5. Step 5: Solve for x
    x = 10,278,073,661.50/110,484
  6. Step 6: Final answer
    x = 93,027.71

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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.