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Finding the Fourth Proportional to 208,776, 313,216.02 and 61,032

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Solution

The fourth proportional to 208,776, 313,216.02 and 61,032 is: 91,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,776 : 313,216.02 = 61,032 : x
  2. Step 2: Convert to fraction form
    208,776/313,216.02 = 61,032/x
  3. Step 3: Cross multiply
    208,776x = 313,216.02 × 61,032
  4. Step 4: Simplify right side
    208,776x = 19,116,200,132.64
  5. Step 5: Solve for x
    x = 19,116,200,132.64/208,776
  6. Step 6: Final answer
    x = 91,563.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.