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Finding the Fourth Proportional to 141,560.48, 212,034.48 and 66,568.28

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Solution

The fourth proportional to 141,560.48, 212,034.48 and 66,568.28 is: 99,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,560.48 : 212,034.48 = 66,568.28 : x
  2. Step 2: Convert to fraction form
    141,560.48/212,034.48 = 66,568.28/x
  3. Step 3: Cross multiply
    141,560.48x = 212,034.48 × 66,568.28
  4. Step 4: Simplify right side
    141,560.48x = 14,114,770,634.29
  5. Step 5: Solve for x
    x = 14,114,770,634.29/141,560.48
  6. Step 6: Final answer
    x = 99,708.41

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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.