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Finding the Fourth Proportional to 96,340.60, 144,413.70 and 43,787.80

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Solution

The fourth proportional to 96,340.60, 144,413.70 and 43,787.80 is: 65,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,340.60 : 144,413.70 = 43,787.80 : x
  2. Step 2: Convert to fraction form
    96,340.60/144,413.70 = 43,787.80/x
  3. Step 3: Cross multiply
    96,340.60x = 144,413.70 × 43,787.80
  4. Step 4: Simplify right side
    96,340.60x = 6,323,558,212.86
  5. Step 5: Solve for x
    x = 6,323,558,212.86/96,340.60
  6. Step 6: Final answer
    x = 65,637.52

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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.