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Finding the Fourth Proportional to 109,622.55, 151,279.03 and 59,321.55

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Solution

The fourth proportional to 109,622.55, 151,279.03 and 59,321.55 is: 81,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.55 : 151,279.03 = 59,321.55 : x
  2. Step 2: Convert to fraction form
    109,622.55/151,279.03 = 59,321.55/x
  3. Step 3: Cross multiply
    109,622.55x = 151,279.03 × 59,321.55
  4. Step 4: Simplify right side
    109,622.55x = 8,974,106,542.10
  5. Step 5: Solve for x
    x = 8,974,106,542.10/109,622.55
  6. Step 6: Final answer
    x = 81,863.69

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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.