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Finding the Fourth Proportional to 141,754.63, 212,633.51 and 60,690.75

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Solution

The fourth proportional to 141,754.63, 212,633.51 and 60,690.75 is: 91,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.63 : 212,633.51 = 60,690.75 : x
  2. Step 2: Convert to fraction form
    141,754.63/212,633.51 = 60,690.75/x
  3. Step 3: Cross multiply
    141,754.63x = 212,633.51 × 60,690.75
  4. Step 4: Simplify right side
    141,754.63x = 12,904,887,197.03
  5. Step 5: Solve for x
    x = 12,904,887,197.03/141,754.63
  6. Step 6: Final answer
    x = 91,036.80

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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.