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Finding the Fourth Proportional to 137,010.45, 205,544.43 and 58,122.93

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Solution

The fourth proportional to 137,010.45, 205,544.43 and 58,122.93 is: 87,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,010.45 : 205,544.43 = 58,122.93 : x
  2. Step 2: Convert to fraction form
    137,010.45/205,544.43 = 58,122.93/x
  3. Step 3: Cross multiply
    137,010.45x = 205,544.43 × 58,122.93
  4. Step 4: Simplify right side
    137,010.45x = 11,946,844,516.78
  5. Step 5: Solve for x
    x = 11,946,844,516.78/137,010.45
  6. Step 6: Final answer
    x = 87,196.59

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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.