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Finding the Fourth Proportional to 201,713.67, 302,483.01 and 68,558.17

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Solution

The fourth proportional to 201,713.67, 302,483.01 and 68,558.17 is: 102,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,713.67 : 302,483.01 = 68,558.17 : x
  2. Step 2: Convert to fraction form
    201,713.67/302,483.01 = 68,558.17/x
  3. Step 3: Cross multiply
    201,713.67x = 302,483.01 × 68,558.17
  4. Step 4: Simplify right side
    201,713.67x = 20,737,681,621.69
  5. Step 5: Solve for x
    x = 20,737,681,621.69/201,713.67
  6. Step 6: Final answer
    x = 102,807.52

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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.