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Finding the Fourth Proportional to 255,968.60, 353,217.20 and 141,251.82

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Solution

The fourth proportional to 255,968.60, 353,217.20 and 141,251.82 is: 194,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,968.60 : 353,217.20 = 141,251.82 : x
  2. Step 2: Convert to fraction form
    255,968.60/353,217.20 = 141,251.82/x
  3. Step 3: Cross multiply
    255,968.60x = 353,217.20 × 141,251.82
  4. Step 4: Simplify right side
    255,968.60x = 49,892,572,355.30
  5. Step 5: Solve for x
    x = 49,892,572,355.30/255,968.60
  6. Step 6: Final answer
    x = 194,916.77

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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.