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Finding the Fourth Proportional to 141,812.52, 212,755.68 and 53,073

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Solution

The fourth proportional to 141,812.52, 212,755.68 and 53,073 is: 79,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.52 : 212,755.68 = 53,073 : x
  2. Step 2: Convert to fraction form
    141,812.52/212,755.68 = 53,073/x
  3. Step 3: Cross multiply
    141,812.52x = 212,755.68 × 53,073
  4. Step 4: Simplify right side
    141,812.52x = 11,291,582,204.64
  5. Step 5: Solve for x
    x = 11,291,582,204.64/141,812.52
  6. Step 6: Final answer
    x = 79,623.31

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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.