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Finding the Fourth Proportional to 169,284.05, 253,852.25 and 64,029.20

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Solution

The fourth proportional to 169,284.05, 253,852.25 and 64,029.20 is: 96,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,284.05 : 253,852.25 = 64,029.20 : x
  2. Step 2: Convert to fraction form
    169,284.05/253,852.25 = 64,029.20/x
  3. Step 3: Cross multiply
    169,284.05x = 253,852.25 × 64,029.20
  4. Step 4: Simplify right side
    169,284.05x = 16,253,956,960.26
  5. Step 5: Solve for x
    x = 16,253,956,960.26/169,284.05
  6. Step 6: Final answer
    x = 96,015.88

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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.