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Finding the Fourth Proportional to 201,356.65, 302,014.18 and 68,233.44

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Solution

The fourth proportional to 201,356.65, 302,014.18 and 68,233.44 is: 102,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,356.65 : 302,014.18 = 68,233.44 : x
  2. Step 2: Convert to fraction form
    201,356.65/302,014.18 = 68,233.44/x
  3. Step 3: Cross multiply
    201,356.65x = 302,014.18 × 68,233.44
  4. Step 4: Simplify right side
    201,356.65x = 20,607,466,430.18
  5. Step 5: Solve for x
    x = 20,607,466,430.18/201,356.65
  6. Step 6: Final answer
    x = 102,343.11

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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.