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Finding the Fourth Proportional to 118,125, 177,216.66 and 35,019

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Solution

The fourth proportional to 118,125, 177,216.66 and 35,019 is: 52,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125 : 177,216.66 = 35,019 : x
  2. Step 2: Convert to fraction form
    118,125/177,216.66 = 35,019/x
  3. Step 3: Cross multiply
    118,125x = 177,216.66 × 35,019
  4. Step 4: Simplify right side
    118,125x = 6,205,950,216.54
  5. Step 5: Solve for x
    x = 6,205,950,216.54/118,125
  6. Step 6: Final answer
    x = 52,537.14

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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.