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Finding the Fourth Proportional to 451,035.12, 676,592.66 and 118,611.12

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Solution

The fourth proportional to 451,035.12, 676,592.66 and 118,611.12 is: 177,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,035.12 : 676,592.66 = 118,611.12 : x
  2. Step 2: Convert to fraction form
    451,035.12/676,592.66 = 118,611.12/x
  3. Step 3: Cross multiply
    451,035.12x = 676,592.66 × 118,611.12
  4. Step 4: Simplify right side
    451,035.12x = 80,251,413,186.38
  5. Step 5: Solve for x
    x = 80,251,413,186.38/451,035.12
  6. Step 6: Final answer
    x = 177,927.19

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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.