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Finding the Fourth Proportional to 169,764.86, 254,461.40 and 69,898.24

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Solution

The fourth proportional to 169,764.86, 254,461.40 and 69,898.24 is: 104,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,764.86 : 254,461.40 = 69,898.24 : x
  2. Step 2: Convert to fraction form
    169,764.86/254,461.40 = 69,898.24/x
  3. Step 3: Cross multiply
    169,764.86x = 254,461.40 × 69,898.24
  4. Step 4: Simplify right side
    169,764.86x = 17,786,404,238.64
  5. Step 5: Solve for x
    x = 17,786,404,238.64/169,764.86
  6. Step 6: Final answer
    x = 104,770.82

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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.