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Finding the Fourth Proportional to 131,566.74, 197,360.37 and 47,337.90

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Solution

The fourth proportional to 131,566.74, 197,360.37 and 47,337.90 is: 71,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,566.74 : 197,360.37 = 47,337.90 : x
  2. Step 2: Convert to fraction form
    131,566.74/197,360.37 = 47,337.90/x
  3. Step 3: Cross multiply
    131,566.74x = 197,360.37 × 47,337.90
  4. Step 4: Simplify right side
    131,566.74x = 9,342,625,459.02
  5. Step 5: Solve for x
    x = 9,342,625,459.02/131,566.74
  6. Step 6: Final answer
    x = 71,010.54

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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.