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Finding the Fourth Proportional to 169,496.89, 254,327.95 and 69,687.07

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Solution

The fourth proportional to 169,496.89, 254,327.95 and 69,687.07 is: 104,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,496.89 : 254,327.95 = 69,687.07 : x
  2. Step 2: Convert to fraction form
    169,496.89/254,327.95 = 69,687.07/x
  3. Step 3: Cross multiply
    169,496.89x = 254,327.95 × 69,687.07
  4. Step 4: Simplify right side
    169,496.89x = 17,723,369,654.61
  5. Step 5: Solve for x
    x = 17,723,369,654.61/169,496.89
  6. Step 6: Final answer
    x = 104,564.57

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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.