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Finding the Fourth Proportional to 114,861.43, 158,523.02 and 64,560.43

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Solution

The fourth proportional to 114,861.43, 158,523.02 and 64,560.43 is: 89,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.43 : 158,523.02 = 64,560.43 : x
  2. Step 2: Convert to fraction form
    114,861.43/158,523.02 = 64,560.43/x
  3. Step 3: Cross multiply
    114,861.43x = 158,523.02 × 64,560.43
  4. Step 4: Simplify right side
    114,861.43x = 10,234,314,336.10
  5. Step 5: Solve for x
    x = 10,234,314,336.10/114,861.43
  6. Step 6: Final answer
    x = 89,101.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.