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Finding the Fourth Proportional to 79,374.53, 118,901.86 and 52,735.52

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Solution

The fourth proportional to 79,374.53, 118,901.86 and 52,735.52 is: 78,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374.53 : 118,901.86 = 52,735.52 : x
  2. Step 2: Convert to fraction form
    79,374.53/118,901.86 = 52,735.52/x
  3. Step 3: Cross multiply
    79,374.53x = 118,901.86 × 52,735.52
  4. Step 4: Simplify right side
    79,374.53x = 6,270,351,581.48
  5. Step 5: Solve for x
    x = 6,270,351,581.48/79,374.53
  6. Step 6: Final answer
    x = 78,997.02

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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.