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Finding the Fourth Proportional to 158,696.92, 238,046.75 and 40,368.38

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Solution

The fourth proportional to 158,696.92, 238,046.75 and 40,368.38 is: 60,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,696.92 : 238,046.75 = 40,368.38 : x
  2. Step 2: Convert to fraction form
    158,696.92/238,046.75 = 40,368.38/x
  3. Step 3: Cross multiply
    158,696.92x = 238,046.75 × 40,368.38
  4. Step 4: Simplify right side
    158,696.92x = 9,609,560,421.07
  5. Step 5: Solve for x
    x = 9,609,560,421.07/158,696.92
  6. Step 6: Final answer
    x = 60,552.91

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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.