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Finding the Fourth Proportional to 118,026.78, 177,040.17 and 44,137.50

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Solution

The fourth proportional to 118,026.78, 177,040.17 and 44,137.50 is: 66,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.78 : 177,040.17 = 44,137.50 : x
  2. Step 2: Convert to fraction form
    118,026.78/177,040.17 = 44,137.50/x
  3. Step 3: Cross multiply
    118,026.78x = 177,040.17 × 44,137.50
  4. Step 4: Simplify right side
    118,026.78x = 7,814,110,503.38
  5. Step 5: Solve for x
    x = 7,814,110,503.38/118,026.78
  6. Step 6: Final answer
    x = 66,206.25

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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.