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Finding the Fourth Proportional to 243,295.52, 364,953.36 and 83,481.32

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Solution

The fourth proportional to 243,295.52, 364,953.36 and 83,481.32 is: 125,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,295.52 : 364,953.36 = 83,481.32 : x
  2. Step 2: Convert to fraction form
    243,295.52/364,953.36 = 83,481.32/x
  3. Step 3: Cross multiply
    243,295.52x = 364,953.36 × 83,481.32
  4. Step 4: Simplify right side
    243,295.52x = 30,466,788,231.24
  5. Step 5: Solve for x
    x = 30,466,788,231.24/243,295.52
  6. Step 6: Final answer
    x = 125,225.44

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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.