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Finding the Fourth Proportional to 220,381.11, 330,553.28 and 156,073.39

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Solution

The fourth proportional to 220,381.11, 330,553.28 and 156,073.39 is: 234,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,381.11 : 330,553.28 = 156,073.39 : x
  2. Step 2: Convert to fraction form
    220,381.11/330,553.28 = 156,073.39/x
  3. Step 3: Cross multiply
    220,381.11x = 330,553.28 × 156,073.39
  4. Step 4: Simplify right side
    220,381.11x = 51,590,570,549.02
  5. Step 5: Solve for x
    x = 51,590,570,549.02/220,381.11
  6. Step 6: Final answer
    x = 234,097.06

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1.5x scale

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.