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Finding the Fourth Proportional to 164,896.56, 247,324.05 and 70,164.63

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Solution

The fourth proportional to 164,896.56, 247,324.05 and 70,164.63 is: 105,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,896.56 : 247,324.05 = 70,164.63 : x
  2. Step 2: Convert to fraction form
    164,896.56/247,324.05 = 70,164.63/x
  3. Step 3: Cross multiply
    164,896.56x = 247,324.05 × 70,164.63
  4. Step 4: Simplify right side
    164,896.56x = 17,353,400,458.35
  5. Step 5: Solve for x
    x = 17,353,400,458.35/164,896.56
  6. Step 6: Final answer
    x = 105,238.10

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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.