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Finding the Fourth Proportional to 72,302.59, 108,413.65 and 22,368.52

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Solution

The fourth proportional to 72,302.59, 108,413.65 and 22,368.52 is: 33,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,302.59 : 108,413.65 = 22,368.52 : x
  2. Step 2: Convert to fraction form
    72,302.59/108,413.65 = 22,368.52/x
  3. Step 3: Cross multiply
    72,302.59x = 108,413.65 × 22,368.52
  4. Step 4: Simplify right side
    72,302.59x = 2,425,052,898.30
  5. Step 5: Solve for x
    x = 2,425,052,898.30/72,302.59
  6. Step 6: Final answer
    x = 33,540.33

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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.