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Finding the Fourth Proportional to 266,921.36, 368,351.39 and 146,062.61

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Solution

The fourth proportional to 266,921.36, 368,351.39 and 146,062.61 is: 201,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,921.36 : 368,351.39 = 146,062.61 : x
  2. Step 2: Convert to fraction form
    266,921.36/368,351.39 = 146,062.61/x
  3. Step 3: Cross multiply
    266,921.36x = 368,351.39 × 146,062.61
  4. Step 4: Simplify right side
    266,921.36x = 53,802,365,325.25
  5. Step 5: Solve for x
    x = 53,802,365,325.25/266,921.36
  6. Step 6: Final answer
    x = 201,566.35

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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.