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Finding the Fourth Proportional to 201,753.05, 302,628.35 and 61,511.67

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Solution

The fourth proportional to 201,753.05, 302,628.35 and 61,511.67 is: 92,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,753.05 : 302,628.35 = 61,511.67 : x
  2. Step 2: Convert to fraction form
    201,753.05/302,628.35 = 61,511.67/x
  3. Step 3: Cross multiply
    201,753.05x = 302,628.35 × 61,511.67
  4. Step 4: Simplify right side
    201,753.05x = 18,615,175,351.62
  5. Step 5: Solve for x
    x = 18,615,175,351.62/201,753.05
  6. Step 6: Final answer
    x = 92,267.13

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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.