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Finding the Fourth Proportional to 118,835.78, 178,282.82 and 34,596.69

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Solution

The fourth proportional to 118,835.78, 178,282.82 and 34,596.69 is: 51,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,835.78 : 178,282.82 = 34,596.69 : x
  2. Step 2: Convert to fraction form
    118,835.78/178,282.82 = 34,596.69/x
  3. Step 3: Cross multiply
    118,835.78x = 178,282.82 × 34,596.69
  4. Step 4: Simplify right side
    118,835.78x = 6,167,995,455.87
  5. Step 5: Solve for x
    x = 6,167,995,455.87/118,835.78
  6. Step 6: Final answer
    x = 51,903.52

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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.