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Finding the Fourth Proportional to 368,416.17, 552,624.27 and 131,744.49

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Solution

The fourth proportional to 368,416.17, 552,624.27 and 131,744.49 is: 197,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,416.17 : 552,624.27 = 131,744.49 : x
  2. Step 2: Convert to fraction form
    368,416.17/552,624.27 = 131,744.49/x
  3. Step 3: Cross multiply
    368,416.17x = 552,624.27 × 131,744.49
  4. Step 4: Simplify right side
    368,416.17x = 72,805,202,612.77
  5. Step 5: Solve for x
    x = 72,805,202,612.77/368,416.17
  6. Step 6: Final answer
    x = 197,616.74

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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.