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Finding the Fourth Proportional to 234,275.60, 351,413.39 and 56,782.61

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Solution

The fourth proportional to 234,275.60, 351,413.39 and 56,782.61 is: 85,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,275.60 : 351,413.39 = 56,782.61 : x
  2. Step 2: Convert to fraction form
    234,275.60/351,413.39 = 56,782.61/x
  3. Step 3: Cross multiply
    234,275.60x = 351,413.39 × 56,782.61
  4. Step 4: Simplify right side
    234,275.60x = 19,954,167,432.17
  5. Step 5: Solve for x
    x = 19,954,167,432.17/234,275.60
  6. Step 6: Final answer
    x = 85,173.91

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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.