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Finding the Fourth Proportional to 118,745.28, 178,100.48 and 44,856

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Solution

The fourth proportional to 118,745.28, 178,100.48 and 44,856 is: 67,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,745.28 : 178,100.48 = 44,856 : x
  2. Step 2: Convert to fraction form
    118,745.28/178,100.48 = 44,856/x
  3. Step 3: Cross multiply
    118,745.28x = 178,100.48 × 44,856
  4. Step 4: Simplify right side
    118,745.28x = 7,988,875,130.88
  5. Step 5: Solve for x
    x = 7,988,875,130.88/118,745.28
  6. Step 6: Final answer
    x = 67,277.41

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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.