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Finding the Fourth Proportional to 169,064.73, 253,237.44 and 137,325.69

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Solution

The fourth proportional to 169,064.73, 253,237.44 and 137,325.69 is: 205,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,064.73 : 253,237.44 = 137,325.69 : x
  2. Step 2: Convert to fraction form
    169,064.73/253,237.44 = 137,325.69/x
  3. Step 3: Cross multiply
    169,064.73x = 253,237.44 × 137,325.69
  4. Step 4: Simplify right side
    169,064.73x = 34,776,006,181.83
  5. Step 5: Solve for x
    x = 34,776,006,181.83/169,064.73
  6. Step 6: Final answer
    x = 205,696.40

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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.