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Finding the Fourth Proportional to 131,762.52, 197,647.02 and 38,269.08

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Solution

The fourth proportional to 131,762.52, 197,647.02 and 38,269.08 is: 57,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,762.52 : 197,647.02 = 38,269.08 : x
  2. Step 2: Convert to fraction form
    131,762.52/197,647.02 = 38,269.08/x
  3. Step 3: Cross multiply
    131,762.52x = 197,647.02 × 38,269.08
  4. Step 4: Simplify right side
    131,762.52x = 7,563,769,620.14
  5. Step 5: Solve for x
    x = 7,563,769,620.14/131,762.52
  6. Step 6: Final answer
    x = 57,404.56

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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.