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Finding the Fourth Proportional to 114,951.56, 158,631.63 and 64,650.56

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Solution

The fourth proportional to 114,951.56, 158,631.63 and 64,650.56 is: 89,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.56 : 158,631.63 = 64,650.56 : x
  2. Step 2: Convert to fraction form
    114,951.56/158,631.63 = 64,650.56/x
  3. Step 3: Cross multiply
    114,951.56x = 158,631.63 × 64,650.56
  4. Step 4: Simplify right side
    114,951.56x = 10,255,623,713.21
  5. Step 5: Solve for x
    x = 10,255,623,713.21/114,951.56
  6. Step 6: Final answer
    x = 89,216.92

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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.