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Finding the Fourth Proportional to 164,413.04, 226,867.20 and 91,807.04

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Solution

The fourth proportional to 164,413.04, 226,867.20 and 91,807.04 is: 126,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,413.04 : 226,867.20 = 91,807.04 : x
  2. Step 2: Convert to fraction form
    164,413.04/226,867.20 = 91,807.04/x
  3. Step 3: Cross multiply
    164,413.04x = 226,867.20 × 91,807.04
  4. Step 4: Simplify right side
    164,413.04x = 20,828,006,105.09
  5. Step 5: Solve for x
    x = 20,828,006,105.09/164,413.04
  6. Step 6: Final answer
    x = 126,680.99

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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.