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Finding the Fourth Proportional to 111,838.14, 154,336.62 and 61,537.14

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Solution

The fourth proportional to 111,838.14, 154,336.62 and 61,537.14 is: 84,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,838.14 : 154,336.62 = 61,537.14 : x
  2. Step 2: Convert to fraction form
    111,838.14/154,336.62 = 61,537.14/x
  3. Step 3: Cross multiply
    111,838.14x = 154,336.62 × 61,537.14
  4. Step 4: Simplify right side
    111,838.14x = 9,497,434,192.07
  5. Step 5: Solve for x
    x = 9,497,434,192.07/111,838.14
  6. Step 6: Final answer
    x = 84,921.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.