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Finding the Fourth Proportional to 355,508.70, 533,184.93 and 102,734.22

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Solution

The fourth proportional to 355,508.70, 533,184.93 and 102,734.22 is: 154,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,508.70 : 533,184.93 = 102,734.22 : x
  2. Step 2: Convert to fraction form
    355,508.70/533,184.93 = 102,734.22/x
  3. Step 3: Cross multiply
    355,508.70x = 533,184.93 × 102,734.22
  4. Step 4: Simplify right side
    355,508.70x = 54,776,339,898.75
  5. Step 5: Solve for x
    x = 54,776,339,898.75/355,508.70
  6. Step 6: Final answer
    x = 154,078.76

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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.