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Finding the Fourth Proportional to 201,836.40, 302,754.60 and 96,601.20

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Solution

The fourth proportional to 201,836.40, 302,754.60 and 96,601.20 is: 144,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,836.40 : 302,754.60 = 96,601.20 : x
  2. Step 2: Convert to fraction form
    201,836.40/302,754.60 = 96,601.20/x
  3. Step 3: Cross multiply
    201,836.40x = 302,754.60 × 96,601.20
  4. Step 4: Simplify right side
    201,836.40x = 29,246,457,665.52
  5. Step 5: Solve for x
    x = 29,246,457,665.52/201,836.40
  6. Step 6: Final answer
    x = 144,901.80

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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.