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Finding the Fourth Proportional to 158,696.94, 238,085.49 and 73,266.66

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Solution

The fourth proportional to 158,696.94, 238,085.49 and 73,266.66 is: 109,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,696.94 : 238,085.49 = 73,266.66 : x
  2. Step 2: Convert to fraction form
    158,696.94/238,085.49 = 73,266.66/x
  3. Step 3: Cross multiply
    158,696.94x = 238,085.49 × 73,266.66
  4. Step 4: Simplify right side
    158,696.94x = 17,443,728,646.76
  5. Step 5: Solve for x
    x = 17,443,728,646.76/158,696.94
  6. Step 6: Final answer
    x = 109,918.49

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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.