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Finding the Fourth Proportional to 72,484.59, 108,700.83 and 25,086.83

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Solution

The fourth proportional to 72,484.59, 108,700.83 and 25,086.83 is: 37,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,484.59 : 108,700.83 = 25,086.83 : x
  2. Step 2: Convert to fraction form
    72,484.59/108,700.83 = 25,086.83/x
  3. Step 3: Cross multiply
    72,484.59x = 108,700.83 × 25,086.83
  4. Step 4: Simplify right side
    72,484.59x = 2,726,958,699.56
  5. Step 5: Solve for x
    x = 2,726,958,699.56/72,484.59
  6. Step 6: Final answer
    x = 37,621.22

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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.