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Finding the Fourth Proportional to 169,906, 254,889.76 and 70,010.64

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Solution

The fourth proportional to 169,906, 254,889.76 and 70,010.64 is: 105,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,906 : 254,889.76 = 70,010.64 : x
  2. Step 2: Convert to fraction form
    169,906/254,889.76 = 70,010.64/x
  3. Step 3: Cross multiply
    169,906x = 254,889.76 × 70,010.64
  4. Step 4: Simplify right side
    169,906x = 17,844,995,227.05
  5. Step 5: Solve for x
    x = 17,844,995,227.05/169,906
  6. Step 6: Final answer
    x = 105,028.63

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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.