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Finding the Fourth Proportional to 169,723.36, 254,487.47 and 69,952.42

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Solution

The fourth proportional to 169,723.36, 254,487.47 and 69,952.42 is: 104,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,723.36 : 254,487.47 = 69,952.42 : x
  2. Step 2: Convert to fraction form
    169,723.36/254,487.47 = 69,952.42/x
  3. Step 3: Cross multiply
    169,723.36x = 254,487.47 × 69,952.42
  4. Step 4: Simplify right side
    169,723.36x = 17,802,012,763.98
  5. Step 5: Solve for x
    x = 17,802,012,763.98/169,723.36
  6. Step 6: Final answer
    x = 104,888.41

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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.