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Finding the Fourth Proportional to 169,209.52, 253,821.81 and 94,272.88

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Solution

The fourth proportional to 169,209.52, 253,821.81 and 94,272.88 is: 141,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,209.52 : 253,821.81 = 94,272.88 : x
  2. Step 2: Convert to fraction form
    169,209.52/253,821.81 = 94,272.88/x
  3. Step 3: Cross multiply
    169,209.52x = 253,821.81 × 94,272.88
  4. Step 4: Simplify right side
    169,209.52x = 23,928,513,035.51
  5. Step 5: Solve for x
    x = 23,928,513,035.51/169,209.52
  6. Step 6: Final answer
    x = 141,413.52

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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.