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Finding the Fourth Proportional to 79,236.53, 118,893.52 and 34,857.74

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Solution

The fourth proportional to 79,236.53, 118,893.52 and 34,857.74 is: 52,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236.53 : 118,893.52 = 34,857.74 : x
  2. Step 2: Convert to fraction form
    79,236.53/118,893.52 = 34,857.74/x
  3. Step 3: Cross multiply
    79,236.53x = 118,893.52 × 34,857.74
  4. Step 4: Simplify right side
    79,236.53x = 4,144,359,748.65
  5. Step 5: Solve for x
    x = 4,144,359,748.65/79,236.53
  6. Step 6: Final answer
    x = 52,303.65

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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.