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Finding the Fourth Proportional to 373,181.28, 559,859.40 and 123,863.28

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Solution

The fourth proportional to 373,181.28, 559,859.40 and 123,863.28 is: 185,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,181.28 : 559,859.40 = 123,863.28 : x
  2. Step 2: Convert to fraction form
    373,181.28/559,859.40 = 123,863.28/x
  3. Step 3: Cross multiply
    373,181.28x = 559,859.40 × 123,863.28
  4. Step 4: Simplify right side
    373,181.28x = 69,346,021,622.83
  5. Step 5: Solve for x
    x = 69,346,021,622.83/373,181.28
  6. Step 6: Final answer
    x = 185,823.96

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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.