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Finding the Fourth Proportional to 169,369.51, 254,054.37 and 43,019.23

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Solution

The fourth proportional to 169,369.51, 254,054.37 and 43,019.23 is: 64,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.51 : 254,054.37 = 43,019.23 : x
  2. Step 2: Convert to fraction form
    169,369.51/254,054.37 = 43,019.23/x
  3. Step 3: Cross multiply
    169,369.51x = 254,054.37 × 43,019.23
  4. Step 4: Simplify right side
    169,369.51x = 10,929,223,531.78
  5. Step 5: Solve for x
    x = 10,929,223,531.78/169,369.51
  6. Step 6: Final answer
    x = 64,528.87

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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.