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Finding the Fourth Proportional to 113,165.64, 169,748.46 and 60,502.68

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Solution

The fourth proportional to 113,165.64, 169,748.46 and 60,502.68 is: 90,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,165.64 : 169,748.46 = 60,502.68 : x
  2. Step 2: Convert to fraction form
    113,165.64/169,748.46 = 60,502.68/x
  3. Step 3: Cross multiply
    113,165.64x = 169,748.46 × 60,502.68
  4. Step 4: Simplify right side
    113,165.64x = 10,270,236,755.87
  5. Step 5: Solve for x
    x = 10,270,236,755.87/113,165.64
  6. Step 6: Final answer
    x = 90,754.02

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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.