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Finding the Fourth Proportional to 262,339.44, 393,533.28 and 112,545.96

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Solution

The fourth proportional to 262,339.44, 393,533.28 and 112,545.96 is: 168,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,339.44 : 393,533.28 = 112,545.96 : x
  2. Step 2: Convert to fraction form
    262,339.44/393,533.28 = 112,545.96/x
  3. Step 3: Cross multiply
    262,339.44x = 393,533.28 × 112,545.96
  4. Step 4: Simplify right side
    262,339.44x = 44,290,580,789.55
  5. Step 5: Solve for x
    x = 44,290,580,789.55/262,339.44
  6. Step 6: Final answer
    x = 168,829.29

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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.