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Finding the Fourth Proportional to 201,123.64, 301,699.86 and 60,893.20

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Solution

The fourth proportional to 201,123.64, 301,699.86 and 60,893.20 is: 91,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,123.64 : 301,699.86 = 60,893.20 : x
  2. Step 2: Convert to fraction form
    201,123.64/301,699.86 = 60,893.20/x
  3. Step 3: Cross multiply
    201,123.64x = 301,699.86 × 60,893.20
  4. Step 4: Simplify right side
    201,123.64x = 18,371,469,914.95
  5. Step 5: Solve for x
    x = 18,371,469,914.95/201,123.64
  6. Step 6: Final answer
    x = 91,344.16

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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.