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Finding the Fourth Proportional to 134,887.60, 202,169.40 and 55,961.20

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Solution

The fourth proportional to 134,887.60, 202,169.40 and 55,961.20 is: 83,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,887.60 : 202,169.40 = 55,961.20 : x
  2. Step 2: Convert to fraction form
    134,887.60/202,169.40 = 55,961.20/x
  3. Step 3: Cross multiply
    134,887.60x = 202,169.40 × 55,961.20
  4. Step 4: Simplify right side
    134,887.60x = 11,313,642,227.28
  5. Step 5: Solve for x
    x = 11,313,642,227.28/134,887.60
  6. Step 6: Final answer
    x = 83,874.59

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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.