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Finding the Fourth Proportional to 118,356, 177,564.78 and 35,250

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Solution

The fourth proportional to 118,356, 177,564.78 and 35,250 is: 52,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356 : 177,564.78 = 35,250 : x
  2. Step 2: Convert to fraction form
    118,356/177,564.78 = 35,250/x
  3. Step 3: Cross multiply
    118,356x = 177,564.78 × 35,250
  4. Step 4: Simplify right side
    118,356x = 6,259,158,495
  5. Step 5: Solve for x
    x = 6,259,158,495/118,356
  6. Step 6: Final answer
    x = 52,884.17

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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.