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Finding the Fourth Proportional to 368,065.76, 552,098.37 and 118,747.76

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Solution

The fourth proportional to 368,065.76, 552,098.37 and 118,747.76 is: 178,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,065.76 : 552,098.37 = 118,747.76 : x
  2. Step 2: Convert to fraction form
    368,065.76/552,098.37 = 118,747.76/x
  3. Step 3: Cross multiply
    368,065.76x = 552,098.37 × 118,747.76
  4. Step 4: Simplify right side
    368,065.76x = 65,560,444,737.15
  5. Step 5: Solve for x
    x = 65,560,444,737.15/368,065.76
  6. Step 6: Final answer
    x = 178,121.55

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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.