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Finding the Fourth Proportional to 86,413.76, 119,250.98 and 46,669.76

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Solution

The fourth proportional to 86,413.76, 119,250.98 and 46,669.76 is: 64,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.76 : 119,250.98 = 46,669.76 : x
  2. Step 2: Convert to fraction form
    86,413.76/119,250.98 = 46,669.76/x
  3. Step 3: Cross multiply
    86,413.76x = 119,250.98 × 46,669.76
  4. Step 4: Simplify right side
    86,413.76x = 5,565,414,616.36
  5. Step 5: Solve for x
    x = 5,565,414,616.36/86,413.76
  6. Step 6: Final answer
    x = 64,404.26

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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.