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Finding the Fourth Proportional to 255,898.40, 353,150.48 and 141,176.48

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Solution

The fourth proportional to 255,898.40, 353,150.48 and 141,176.48 is: 194,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,898.40 : 353,150.48 = 141,176.48 : x
  2. Step 2: Convert to fraction form
    255,898.40/353,150.48 = 141,176.48/x
  3. Step 3: Cross multiply
    255,898.40x = 353,150.48 × 141,176.48
  4. Step 4: Simplify right side
    255,898.40x = 49,856,541,676.71
  5. Step 5: Solve for x
    x = 49,856,541,676.71/255,898.40
  6. Step 6: Final answer
    x = 194,829.44

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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.