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Finding the Fourth Proportional to 111,813.26, 154,305.08 and 60,828.84

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Solution

The fourth proportional to 111,813.26, 154,305.08 and 60,828.84 is: 83,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,813.26 : 154,305.08 = 60,828.84 : x
  2. Step 2: Convert to fraction form
    111,813.26/154,305.08 = 60,828.84/x
  3. Step 3: Cross multiply
    111,813.26x = 154,305.08 × 60,828.84
  4. Step 4: Simplify right side
    111,813.26x = 9,386,199,022.51
  5. Step 5: Solve for x
    x = 9,386,199,022.51/111,813.26
  6. Step 6: Final answer
    x = 83,945.31

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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.