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Finding the Fourth Proportional to 201,774.70, 302,662.05 and 54,030.70

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Solution

The fourth proportional to 201,774.70, 302,662.05 and 54,030.70 is: 81,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774.70 : 302,662.05 = 54,030.70 : x
  2. Step 2: Convert to fraction form
    201,774.70/302,662.05 = 54,030.70/x
  3. Step 3: Cross multiply
    201,774.70x = 302,662.05 × 54,030.70
  4. Step 4: Simplify right side
    201,774.70x = 16,353,042,424.94
  5. Step 5: Solve for x
    x = 16,353,042,424.94/201,774.70
  6. Step 6: Final answer
    x = 81,046.05

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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.