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Finding the Fourth Proportional to 355,333.91, 532,782.17 and 118,613.03

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Solution

The fourth proportional to 355,333.91, 532,782.17 and 118,613.03 is: 177,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,333.91 : 532,782.17 = 118,613.03 : x
  2. Step 2: Convert to fraction form
    355,333.91/532,782.17 = 118,613.03/x
  3. Step 3: Cross multiply
    355,333.91x = 532,782.17 × 118,613.03
  4. Step 4: Simplify right side
    355,333.91x = 63,194,906,920.61
  5. Step 5: Solve for x
    x = 63,194,906,920.61/355,333.91
  6. Step 6: Final answer
    x = 177,846.54

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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.