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Finding the Fourth Proportional to 91,594.33, 137,411.15 and 28,413.11

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Solution

The fourth proportional to 91,594.33, 137,411.15 and 28,413.11 is: 42,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,594.33 : 137,411.15 = 28,413.11 : x
  2. Step 2: Convert to fraction form
    91,594.33/137,411.15 = 28,413.11/x
  3. Step 3: Cross multiply
    91,594.33x = 137,411.15 × 28,413.11
  4. Step 4: Simplify right side
    91,594.33x = 3,904,278,321.64
  5. Step 5: Solve for x
    x = 3,904,278,321.64/91,594.33
  6. Step 6: Final answer
    x = 42,625.77

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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.