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Finding the Fourth Proportional to 90,373.52, 124,715.46 and 50,093.34

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Solution

The fourth proportional to 90,373.52, 124,715.46 and 50,093.34 is: 69,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373.52 : 124,715.46 = 50,093.34 : x
  2. Step 2: Convert to fraction form
    90,373.52/124,715.46 = 50,093.34/x
  3. Step 3: Cross multiply
    90,373.52x = 124,715.46 × 50,093.34
  4. Step 4: Simplify right side
    90,373.52x = 6,247,413,941.04
  5. Step 5: Solve for x
    x = 6,247,413,941.04/90,373.52
  6. Step 6: Final answer
    x = 69,128.81

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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.