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Finding the Fourth Proportional to 264,260.59, 364,680.61 and 143,401.90

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Solution

The fourth proportional to 264,260.59, 364,680.61 and 143,401.90 is: 197,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,260.59 : 364,680.61 = 143,401.90 : x
  2. Step 2: Convert to fraction form
    264,260.59/364,680.61 = 143,401.90/x
  3. Step 3: Cross multiply
    264,260.59x = 364,680.61 × 143,401.90
  4. Step 4: Simplify right side
    264,260.59x = 52,295,893,520.88
  5. Step 5: Solve for x
    x = 52,295,893,520.88/264,260.59
  6. Step 6: Final answer
    x = 197,895.16

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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.