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Finding the Fourth Proportional to 114,951.32, 158,631.26 and 64,650.32

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Solution

The fourth proportional to 114,951.32, 158,631.26 and 64,650.32 is: 89,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951.32 : 158,631.26 = 64,650.32 : x
  2. Step 2: Convert to fraction form
    114,951.32/158,631.26 = 64,650.32/x
  3. Step 3: Cross multiply
    114,951.32x = 158,631.26 × 64,650.32
  4. Step 4: Simplify right side
    114,951.32x = 10,255,561,721.00
  5. Step 5: Solve for x
    x = 10,255,561,721.00/114,951.32
  6. Step 6: Final answer
    x = 89,216.56

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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.