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Finding the Fourth Proportional to 111,384.25, 153,710.27 and 61,083.25

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Solution

The fourth proportional to 111,384.25, 153,710.27 and 61,083.25 is: 84,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,384.25 : 153,710.27 = 61,083.25 : x
  2. Step 2: Convert to fraction form
    111,384.25/153,710.27 = 61,083.25/x
  3. Step 3: Cross multiply
    111,384.25x = 153,710.27 × 61,083.25
  4. Step 4: Simplify right side
    111,384.25x = 9,389,122,544.56
  5. Step 5: Solve for x
    x = 9,389,122,544.56/111,384.25
  6. Step 6: Final answer
    x = 84,294.89

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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.