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Finding the Fourth Proportional to 151,027.68, 208,423.55 and 83,049.81

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Solution

The fourth proportional to 151,027.68, 208,423.55 and 83,049.81 is: 114,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,027.68 : 208,423.55 = 83,049.81 : x
  2. Step 2: Convert to fraction form
    151,027.68/208,423.55 = 83,049.81/x
  3. Step 3: Cross multiply
    151,027.68x = 208,423.55 × 83,049.81
  4. Step 4: Simplify right side
    151,027.68x = 17,309,535,811.78
  5. Step 5: Solve for x
    x = 17,309,535,811.78/151,027.68
  6. Step 6: Final answer
    x = 114,611.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.