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Finding the Fourth Proportional to 97,879.26, 146,799.45 and 47,937.90

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Solution

The fourth proportional to 97,879.26, 146,799.45 and 47,937.90 is: 71,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,879.26 : 146,799.45 = 47,937.90 : x
  2. Step 2: Convert to fraction form
    97,879.26/146,799.45 = 47,937.90/x
  3. Step 3: Cross multiply
    97,879.26x = 146,799.45 × 47,937.90
  4. Step 4: Simplify right side
    97,879.26x = 7,037,257,354.16
  5. Step 5: Solve for x
    x = 7,037,257,354.16/97,879.26
  6. Step 6: Final answer
    x = 71,897.33

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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.