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Finding the Fourth Proportional to 129,710.88, 194,549.04 and 36,226.08

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Solution

The fourth proportional to 129,710.88, 194,549.04 and 36,226.08 is: 54,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,710.88 : 194,549.04 = 36,226.08 : x
  2. Step 2: Convert to fraction form
    129,710.88/194,549.04 = 36,226.08/x
  3. Step 3: Cross multiply
    129,710.88x = 194,549.04 × 36,226.08
  4. Step 4: Simplify right side
    129,710.88x = 7,047,749,086.96
  5. Step 5: Solve for x
    x = 7,047,749,086.96/129,710.88
  6. Step 6: Final answer
    x = 54,334.29

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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.