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Finding the Fourth Proportional to 131,699.57, 197,527.09 and 36,907.95

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Solution

The fourth proportional to 131,699.57, 197,527.09 and 36,907.95 is: 55,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.57 : 197,527.09 = 36,907.95 : x
  2. Step 2: Convert to fraction form
    131,699.57/197,527.09 = 36,907.95/x
  3. Step 3: Cross multiply
    131,699.57x = 197,527.09 × 36,907.95
  4. Step 4: Simplify right side
    131,699.57x = 7,290,319,961.37
  5. Step 5: Solve for x
    x = 7,290,319,961.37/131,699.57
  6. Step 6: Final answer
    x = 55,355.69

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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.