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Finding the Fourth Proportional to 243,124.54, 364,178.18 and 195,481.64

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Solution

The fourth proportional to 243,124.54, 364,178.18 and 195,481.64 is: 292,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,124.54 : 364,178.18 = 195,481.64 : x
  2. Step 2: Convert to fraction form
    243,124.54/364,178.18 = 195,481.64/x
  3. Step 3: Cross multiply
    243,124.54x = 364,178.18 × 195,481.64
  4. Step 4: Simplify right side
    243,124.54x = 71,190,149,277.76
  5. Step 5: Solve for x
    x = 71,190,149,277.76/243,124.54
  6. Step 6: Final answer
    x = 292,813.51

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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.