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Finding the Fourth Proportional to 169,871.36, 254,807.16 and 43,512.08

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Solution

The fourth proportional to 169,871.36, 254,807.16 and 43,512.08 is: 65,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,871.36 : 254,807.16 = 43,512.08 : x
  2. Step 2: Convert to fraction form
    169,871.36/254,807.16 = 43,512.08/x
  3. Step 3: Cross multiply
    169,871.36x = 254,807.16 × 43,512.08
  4. Step 4: Simplify right side
    169,871.36x = 11,087,189,530.49
  5. Step 5: Solve for x
    x = 11,087,189,530.49/169,871.36
  6. Step 6: Final answer
    x = 65,268.15

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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.