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Finding the Fourth Proportional to 259,310.04, 357,847.32 and 140,078.04

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Solution

The fourth proportional to 259,310.04, 357,847.32 and 140,078.04 is: 193,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,310.04 : 357,847.32 = 140,078.04 : x
  2. Step 2: Convert to fraction form
    259,310.04/357,847.32 = 140,078.04/x
  3. Step 3: Cross multiply
    259,310.04x = 357,847.32 × 140,078.04
  4. Step 4: Simplify right side
    259,310.04x = 50,126,551,204.85
  5. Step 5: Solve for x
    x = 50,126,551,204.85/259,310.04
  6. Step 6: Final answer
    x = 193,307.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.