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Finding the Fourth Proportional to 201,425.74, 302,158.33 and 73,376.82

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Solution

The fourth proportional to 201,425.74, 302,158.33 and 73,376.82 is: 110,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,425.74 : 302,158.33 = 73,376.82 : x
  2. Step 2: Convert to fraction form
    201,425.74/302,158.33 = 73,376.82/x
  3. Step 3: Cross multiply
    201,425.74x = 302,158.33 × 73,376.82
  4. Step 4: Simplify right side
    201,425.74x = 22,171,417,391.91
  5. Step 5: Solve for x
    x = 22,171,417,391.91/201,425.74
  6. Step 6: Final answer
    x = 110,072.41

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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.