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Finding the Fourth Proportional to 137,967.49, 207,096.02 and 122,272.93

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Solution

The fourth proportional to 137,967.49, 207,096.02 and 122,272.93 is: 183,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,967.49 : 207,096.02 = 122,272.93 : x
  2. Step 2: Convert to fraction form
    137,967.49/207,096.02 = 122,272.93/x
  3. Step 3: Cross multiply
    137,967.49x = 207,096.02 × 122,272.93
  4. Step 4: Simplify right side
    137,967.49x = 25,322,237,156.74
  5. Step 5: Solve for x
    x = 25,322,237,156.74/137,967.49
  6. Step 6: Final answer
    x = 183,537.71

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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.