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Finding the Fourth Proportional to 106,413.01, 146,843.35 and 58,666.28

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Solution

The fourth proportional to 106,413.01, 146,843.35 and 58,666.28 is: 80,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,413.01 : 146,843.35 = 58,666.28 : x
  2. Step 2: Convert to fraction form
    106,413.01/146,843.35 = 58,666.28/x
  3. Step 3: Cross multiply
    106,413.01x = 146,843.35 × 58,666.28
  4. Step 4: Simplify right side
    106,413.01x = 8,614,752,206.36
  5. Step 5: Solve for x
    x = 8,614,752,206.36/106,413.01
  6. Step 6: Final answer
    x = 80,955.82

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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.