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Finding the Fourth Proportional to 222,108.30, 333,381.15 and 109,915.20

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Solution

The fourth proportional to 222,108.30, 333,381.15 and 109,915.20 is: 164,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,108.30 : 333,381.15 = 109,915.20 : x
  2. Step 2: Convert to fraction form
    222,108.30/333,381.15 = 109,915.20/x
  3. Step 3: Cross multiply
    222,108.30x = 333,381.15 × 109,915.20
  4. Step 4: Simplify right side
    222,108.30x = 36,643,655,778.48
  5. Step 5: Solve for x
    x = 36,643,655,778.48/222,108.30
  6. Step 6: Final answer
    x = 164,981.03

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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.