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Finding the Fourth Proportional to 119,371.70, 179,083.51 and 39,413.16

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Solution

The fourth proportional to 119,371.70, 179,083.51 and 39,413.16 is: 59,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,371.70 : 179,083.51 = 39,413.16 : x
  2. Step 2: Convert to fraction form
    119,371.70/179,083.51 = 39,413.16/x
  3. Step 3: Cross multiply
    119,371.70x = 179,083.51 × 39,413.16
  4. Step 4: Simplify right side
    119,371.70x = 7,058,246,934.46
  5. Step 5: Solve for x
    x = 7,058,246,934.46/119,371.70
  6. Step 6: Final answer
    x = 59,128.31

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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.