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Finding the Fourth Proportional to 201,533.40, 302,300.10 and 68,563.80

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Solution

The fourth proportional to 201,533.40, 302,300.10 and 68,563.80 is: 102,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,533.40 : 302,300.10 = 68,563.80 : x
  2. Step 2: Convert to fraction form
    201,533.40/302,300.10 = 68,563.80/x
  3. Step 3: Cross multiply
    201,533.40x = 302,300.10 × 68,563.80
  4. Step 4: Simplify right side
    201,533.40x = 20,726,843,596.38
  5. Step 5: Solve for x
    x = 20,726,843,596.38/201,533.40
  6. Step 6: Final answer
    x = 102,845.70

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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.