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Finding the Fourth Proportional to 118,882.44, 164,110.52 and 75,918.22

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Solution

The fourth proportional to 118,882.44, 164,110.52 and 75,918.22 is: 104,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,882.44 : 164,110.52 = 75,918.22 : x
  2. Step 2: Convert to fraction form
    118,882.44/164,110.52 = 75,918.22/x
  3. Step 3: Cross multiply
    118,882.44x = 164,110.52 × 75,918.22
  4. Step 4: Simplify right side
    118,882.44x = 12,458,978,341.19
  5. Step 5: Solve for x
    x = 12,458,978,341.19/118,882.44
  6. Step 6: Final answer
    x = 104,800.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.