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Finding the Fourth Proportional to 117,150.76, 175,747.74 and 47,028.52

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Solution

The fourth proportional to 117,150.76, 175,747.74 and 47,028.52 is: 70,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,150.76 : 175,747.74 = 47,028.52 : x
  2. Step 2: Convert to fraction form
    117,150.76/175,747.74 = 47,028.52/x
  3. Step 3: Cross multiply
    117,150.76x = 175,747.74 × 47,028.52
  4. Step 4: Simplify right side
    117,150.76x = 8,265,156,105.54
  5. Step 5: Solve for x
    x = 8,265,156,105.54/117,150.76
  6. Step 6: Final answer
    x = 70,551.45

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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.