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Finding the Fourth Proportional to 79,244.73, 118,756.13 and 56,953.53

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Solution

The fourth proportional to 79,244.73, 118,756.13 and 56,953.53 is: 85,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.73 : 118,756.13 = 56,953.53 : x
  2. Step 2: Convert to fraction form
    79,244.73/118,756.13 = 56,953.53/x
  3. Step 3: Cross multiply
    79,244.73x = 118,756.13 × 56,953.53
  4. Step 4: Simplify right side
    79,244.73x = 6,763,580,527.87
  5. Step 5: Solve for x
    x = 6,763,580,527.87/79,244.73
  6. Step 6: Final answer
    x = 85,350.54

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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.