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Finding the Fourth Proportional to 141,753.63, 212,632.01 and 60,689.75

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Solution

The fourth proportional to 141,753.63, 212,632.01 and 60,689.75 is: 91,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,753.63 : 212,632.01 = 60,689.75 : x
  2. Step 2: Convert to fraction form
    141,753.63/212,632.01 = 60,689.75/x
  3. Step 3: Cross multiply
    141,753.63x = 212,632.01 × 60,689.75
  4. Step 4: Simplify right side
    141,753.63x = 12,904,582,162.29
  5. Step 5: Solve for x
    x = 12,904,582,162.29/141,753.63
  6. Step 6: Final answer
    x = 91,035.29

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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.