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Finding the Fourth Proportional to 173,696.40, 260,447.40 and 73,839.60

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Solution

The fourth proportional to 173,696.40, 260,447.40 and 73,839.60 is: 110,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,696.40 : 260,447.40 = 73,839.60 : x
  2. Step 2: Convert to fraction form
    173,696.40/260,447.40 = 73,839.60/x
  3. Step 3: Cross multiply
    173,696.40x = 260,447.40 × 73,839.60
  4. Step 4: Simplify right side
    173,696.40x = 19,231,331,837.04
  5. Step 5: Solve for x
    x = 19,231,331,837.04/173,696.40
  6. Step 6: Final answer
    x = 110,718.08

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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.