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Finding the Fourth Proportional to 169,867.68, 254,800.56 and 43,507.68

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Solution

The fourth proportional to 169,867.68, 254,800.56 and 43,507.68 is: 65,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,867.68 : 254,800.56 = 43,507.68 : x
  2. Step 2: Convert to fraction form
    169,867.68/254,800.56 = 43,507.68/x
  3. Step 3: Cross multiply
    169,867.68x = 254,800.56 × 43,507.68
  4. Step 4: Simplify right side
    169,867.68x = 11,085,781,228.30
  5. Step 5: Solve for x
    x = 11,085,781,228.30/169,867.68
  6. Step 6: Final answer
    x = 65,261.27

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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.