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Finding the Fourth Proportional to 255,898.60, 353,138.90 and 141,174.12

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Solution

The fourth proportional to 255,898.60, 353,138.90 and 141,174.12 is: 194,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,898.60 : 353,138.90 = 141,174.12 : x
  2. Step 2: Convert to fraction form
    255,898.60/353,138.90 = 141,174.12/x
  3. Step 3: Cross multiply
    255,898.60x = 353,138.90 × 141,174.12
  4. Step 4: Simplify right side
    255,898.60x = 49,854,073,445.27
  5. Step 5: Solve for x
    x = 49,854,073,445.27/255,898.60
  6. Step 6: Final answer
    x = 194,819.64

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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.