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Finding the Fourth Proportional to 191,763.22, 264,642.30 and 106,880.90

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Solution

The fourth proportional to 191,763.22, 264,642.30 and 106,880.90 is: 147,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,763.22 : 264,642.30 = 106,880.90 : x
  2. Step 2: Convert to fraction form
    191,763.22/264,642.30 = 106,880.90/x
  3. Step 3: Cross multiply
    191,763.22x = 264,642.30 × 106,880.90
  4. Step 4: Simplify right side
    191,763.22x = 28,285,207,202.07
  5. Step 5: Solve for x
    x = 28,285,207,202.07/191,763.22
  6. Step 6: Final answer
    x = 147,500.69

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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.