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Finding the Fourth Proportional to 94,663.92, 142,038 and 50,279.88

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Solution

The fourth proportional to 94,663.92, 142,038 and 50,279.88 is: 75,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,663.92 : 142,038 = 50,279.88 : x
  2. Step 2: Convert to fraction form
    94,663.92/142,038 = 50,279.88/x
  3. Step 3: Cross multiply
    94,663.92x = 142,038 × 50,279.88
  4. Step 4: Simplify right side
    94,663.92x = 7,141,653,595.44
  5. Step 5: Solve for x
    x = 7,141,653,595.44/94,663.92
  6. Step 6: Final answer
    x = 75,442.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.