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Finding the Fourth Proportional to 72,716.09, 109,070.96 and 22,795.04

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Solution

The fourth proportional to 72,716.09, 109,070.96 and 22,795.04 is: 34,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,716.09 : 109,070.96 = 22,795.04 : x
  2. Step 2: Convert to fraction form
    72,716.09/109,070.96 = 22,795.04/x
  3. Step 3: Cross multiply
    72,716.09x = 109,070.96 × 22,795.04
  4. Step 4: Simplify right side
    72,716.09x = 2,486,277,054.74
  5. Step 5: Solve for x
    x = 2,486,277,054.74/72,716.09
  6. Step 6: Final answer
    x = 34,191.57

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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.