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Finding the Fourth Proportional to 169,369.36, 254,054.13 and 43,019.08

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Solution

The fourth proportional to 169,369.36, 254,054.13 and 43,019.08 is: 64,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.36 : 254,054.13 = 43,019.08 : x
  2. Step 2: Convert to fraction form
    169,369.36/254,054.13 = 43,019.08/x
  3. Step 3: Cross multiply
    169,369.36x = 254,054.13 × 43,019.08
  4. Step 4: Simplify right side
    169,369.36x = 10,929,173,672.53
  5. Step 5: Solve for x
    x = 10,929,173,672.53/169,369.36
  6. Step 6: Final answer
    x = 64,528.64

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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.