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Finding the Fourth Proportional to 137,957.88, 207,081.60 and 122,263.32

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Solution

The fourth proportional to 137,957.88, 207,081.60 and 122,263.32 is: 183,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957.88 : 207,081.60 = 122,263.32 : x
  2. Step 2: Convert to fraction form
    137,957.88/207,081.60 = 122,263.32/x
  3. Step 3: Cross multiply
    137,957.88x = 207,081.60 × 122,263.32
  4. Step 4: Simplify right side
    137,957.88x = 25,318,483,926.91
  5. Step 5: Solve for x
    x = 25,318,483,926.91/137,957.88
  6. Step 6: Final answer
    x = 183,523.29

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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.