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Finding the Fourth Proportional to 83,913.59, 115,803.59 and 45,674.53

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Solution

The fourth proportional to 83,913.59, 115,803.59 and 45,674.53 is: 63,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,913.59 : 115,803.59 = 45,674.53 : x
  2. Step 2: Convert to fraction form
    83,913.59/115,803.59 = 45,674.53/x
  3. Step 3: Cross multiply
    83,913.59x = 115,803.59 × 45,674.53
  4. Step 4: Simplify right side
    83,913.59x = 5,289,274,027.68
  5. Step 5: Solve for x
    x = 5,289,274,027.68/83,913.59
  6. Step 6: Final answer
    x = 63,032.39

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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.