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Finding the Fourth Proportional to 94,653.61, 130,622.10 and 54,375.19

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Solution

The fourth proportional to 94,653.61, 130,622.10 and 54,375.19 is: 75,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,653.61 : 130,622.10 = 54,375.19 : x
  2. Step 2: Convert to fraction form
    94,653.61/130,622.10 = 54,375.19/x
  3. Step 3: Cross multiply
    94,653.61x = 130,622.10 × 54,375.19
  4. Step 4: Simplify right side
    94,653.61x = 7,102,601,505.70
  5. Step 5: Solve for x
    x = 7,102,601,505.70/94,653.61
  6. Step 6: Final answer
    x = 75,037.83

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Why These Related Problems?

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