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Finding the Fourth Proportional to 169,100.98, 253,374.42 and 102,562.72

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Solution

The fourth proportional to 169,100.98, 253,374.42 and 102,562.72 is: 153,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,100.98 : 253,374.42 = 102,562.72 : x
  2. Step 2: Convert to fraction form
    169,100.98/253,374.42 = 102,562.72/x
  3. Step 3: Cross multiply
    169,100.98x = 253,374.42 × 102,562.72
  4. Step 4: Simplify right side
    169,100.98x = 25,986,769,693.62
  5. Step 5: Solve for x
    x = 25,986,769,693.62/169,100.98
  6. Step 6: Final answer
    x = 153,676.04

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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.