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Finding the Fourth Proportional to 72,539.38, 108,792.06 and 35,080.93

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Solution

The fourth proportional to 72,539.38, 108,792.06 and 35,080.93 is: 52,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539.38 : 108,792.06 = 35,080.93 : x
  2. Step 2: Convert to fraction form
    72,539.38/108,792.06 = 35,080.93/x
  3. Step 3: Cross multiply
    72,539.38x = 108,792.06 × 35,080.93
  4. Step 4: Simplify right side
    72,539.38x = 3,816,526,194.03
  5. Step 5: Solve for x
    x = 3,816,526,194.03/72,539.38
  6. Step 6: Final answer
    x = 52,613.16

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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.