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Finding the Fourth Proportional to 131,314.52, 196,955.28 and 36,551.80

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Solution

The fourth proportional to 131,314.52, 196,955.28 and 36,551.80 is: 54,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,314.52 : 196,955.28 = 36,551.80 : x
  2. Step 2: Convert to fraction form
    131,314.52/196,955.28 = 36,551.80/x
  3. Step 3: Cross multiply
    131,314.52x = 196,955.28 × 36,551.80
  4. Step 4: Simplify right side
    131,314.52x = 7,199,070,003.50
  5. Step 5: Solve for x
    x = 7,199,070,003.50/131,314.52
  6. Step 6: Final answer
    x = 54,823.11

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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.