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Finding the Fourth Proportional to 169,369.02, 253,832.04 and 69,412.17

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Solution

The fourth proportional to 169,369.02, 253,832.04 and 69,412.17 is: 104,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.02 : 253,832.04 = 69,412.17 : x
  2. Step 2: Convert to fraction form
    169,369.02/253,832.04 = 69,412.17/x
  3. Step 3: Cross multiply
    169,369.02x = 253,832.04 × 69,412.17
  4. Step 4: Simplify right side
    169,369.02x = 17,619,032,711.93
  5. Step 5: Solve for x
    x = 17,619,032,711.93/169,369.02
  6. Step 6: Final answer
    x = 104,027.48

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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.