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Finding the Fourth Proportional to 373,486.20, 560,156.40 and 124,168.20

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Solution

The fourth proportional to 373,486.20, 560,156.40 and 124,168.20 is: 186,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,486.20 : 560,156.40 = 124,168.20 : x
  2. Step 2: Convert to fraction form
    373,486.20/560,156.40 = 124,168.20/x
  3. Step 3: Cross multiply
    373,486.20x = 560,156.40 × 124,168.20
  4. Step 4: Simplify right side
    373,486.20x = 69,553,611,906.48
  5. Step 5: Solve for x
    x = 69,553,611,906.48/373,486.20
  6. Step 6: Final answer
    x = 186,228.06

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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.