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Finding the Fourth Proportional to 169,004.76, 253,629.24 and 66,437.36

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Solution

The fourth proportional to 169,004.76, 253,629.24 and 66,437.36 is: 99,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,004.76 : 253,629.24 = 66,437.36 : x
  2. Step 2: Convert to fraction form
    169,004.76/253,629.24 = 66,437.36/x
  3. Step 3: Cross multiply
    169,004.76x = 253,629.24 × 66,437.36
  4. Step 4: Simplify right side
    169,004.76x = 16,850,457,124.41
  5. Step 5: Solve for x
    x = 16,850,457,124.41/169,004.76
  6. Step 6: Final answer
    x = 99,704.04

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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.