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Finding the Fourth Proportional to 84,573.72, 116,711.48 and 48,763.42

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Solution

The fourth proportional to 84,573.72, 116,711.48 and 48,763.42 is: 67,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,573.72 : 116,711.48 = 48,763.42 : x
  2. Step 2: Convert to fraction form
    84,573.72/116,711.48 = 48,763.42/x
  3. Step 3: Cross multiply
    84,573.72x = 116,711.48 × 48,763.42
  4. Step 4: Simplify right side
    84,573.72x = 5,691,250,748.19
  5. Step 5: Solve for x
    x = 5,691,250,748.19/84,573.72
  6. Step 6: Final answer
    x = 67,293.37

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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.