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Finding the Fourth Proportional to 131,312.52, 196,952.28 and 36,549.80

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Solution

The fourth proportional to 131,312.52, 196,952.28 and 36,549.80 is: 54,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,312.52 : 196,952.28 = 36,549.80 : x
  2. Step 2: Convert to fraction form
    131,312.52/196,952.28 = 36,549.80/x
  3. Step 3: Cross multiply
    131,312.52x = 196,952.28 × 36,549.80
  4. Step 4: Simplify right side
    131,312.52x = 7,198,566,443.54
  5. Step 5: Solve for x
    x = 7,198,566,443.54/131,312.52
  6. Step 6: Final answer
    x = 54,820.11

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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.