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Finding the Fourth Proportional to 131,347.96, 196,986.04 and 47,092.46

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Solution

The fourth proportional to 131,347.96, 196,986.04 and 47,092.46 is: 70,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,347.96 : 196,986.04 = 47,092.46 : x
  2. Step 2: Convert to fraction form
    131,347.96/196,986.04 = 47,092.46/x
  3. Step 3: Cross multiply
    131,347.96x = 196,986.04 × 47,092.46
  4. Step 4: Simplify right side
    131,347.96x = 9,276,557,209.26
  5. Step 5: Solve for x
    x = 9,276,557,209.26/131,347.96
  6. Step 6: Final answer
    x = 70,625.82

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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.