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Finding the Fourth Proportional to 208,744.10, 312,520.20 and 195,502.22

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Solution

The fourth proportional to 208,744.10, 312,520.20 and 195,502.22 is: 292,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744.10 : 312,520.20 = 195,502.22 : x
  2. Step 2: Convert to fraction form
    208,744.10/312,520.20 = 195,502.22/x
  3. Step 3: Cross multiply
    208,744.10x = 312,520.20 × 195,502.22
  4. Step 4: Simplify right side
    208,744.10x = 61,098,392,894.84
  5. Step 5: Solve for x
    x = 61,098,392,894.84/208,744.10
  6. Step 6: Final answer
    x = 292,695.18

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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.