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Finding the Fourth Proportional to 201,605.31, 302,453.06 and 61,374.87

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Solution

The fourth proportional to 201,605.31, 302,453.06 and 61,374.87 is: 92,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,605.31 : 302,453.06 = 61,374.87 : x
  2. Step 2: Convert to fraction form
    201,605.31/302,453.06 = 61,374.87/x
  3. Step 3: Cross multiply
    201,605.31x = 302,453.06 × 61,374.87
  4. Step 4: Simplify right side
    201,605.31x = 18,563,016,931.73
  5. Step 5: Solve for x
    x = 18,563,016,931.73/201,605.31
  6. Step 6: Final answer
    x = 92,076.03

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Why These Related Problems?

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