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Finding the Fourth Proportional to 355,375.89, 532,985.24 and 102,601.42

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Solution

The fourth proportional to 355,375.89, 532,985.24 and 102,601.42 is: 153,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,375.89 : 532,985.24 = 102,601.42 : x
  2. Step 2: Convert to fraction form
    355,375.89/532,985.24 = 102,601.42/x
  3. Step 3: Cross multiply
    355,375.89x = 532,985.24 × 102,601.42
  4. Step 4: Simplify right side
    355,375.89x = 54,685,041,387.08
  5. Step 5: Solve for x
    x = 54,685,041,387.08/355,375.89
  6. Step 6: Final answer
    x = 153,879.44

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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.