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Finding the Fourth Proportional to 169,246.64, 253,905.60 and 64,063.28

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Solution

The fourth proportional to 169,246.64, 253,905.60 and 64,063.28 is: 96,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,246.64 : 253,905.60 = 64,063.28 : x
  2. Step 2: Convert to fraction form
    169,246.64/253,905.60 = 64,063.28/x
  3. Step 3: Cross multiply
    169,246.64x = 253,905.60 × 64,063.28
  4. Step 4: Simplify right side
    169,246.64x = 16,266,025,546.37
  5. Step 5: Solve for x
    x = 16,266,025,546.37/169,246.64
  6. Step 6: Final answer
    x = 96,108.41

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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.