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Finding the Fourth Proportional to 355,029.08, 532,543.62 and 88,789.58

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Solution

The fourth proportional to 355,029.08, 532,543.62 and 88,789.58 is: 133,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,029.08 : 532,543.62 = 88,789.58 : x
  2. Step 2: Convert to fraction form
    355,029.08/532,543.62 = 88,789.58/x
  3. Step 3: Cross multiply
    355,029.08x = 532,543.62 × 88,789.58
  4. Step 4: Simplify right side
    355,029.08x = 47,284,324,351.48
  5. Step 5: Solve for x
    x = 47,284,324,351.48/355,029.08
  6. Step 6: Final answer
    x = 133,184.37

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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.