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Finding the Fourth Proportional to 141,482, 195,272.90 and 81,093.13

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Solution

The fourth proportional to 141,482, 195,272.90 and 81,093.13 is: 111,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,482 : 195,272.90 = 81,093.13 : x
  2. Step 2: Convert to fraction form
    141,482/195,272.90 = 81,093.13/x
  3. Step 3: Cross multiply
    141,482x = 195,272.90 × 81,093.13
  4. Step 4: Simplify right side
    141,482x = 15,835,289,283.35
  5. Step 5: Solve for x
    x = 15,835,289,283.35/141,482
  6. Step 6: Final answer
    x = 111,924.41

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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.