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Finding the Fourth Proportional to 201,758.04, 302,639.49 and 68,641.02

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Solution

The fourth proportional to 201,758.04, 302,639.49 and 68,641.02 is: 102,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,758.04 : 302,639.49 = 68,641.02 : x
  2. Step 2: Convert to fraction form
    201,758.04/302,639.49 = 68,641.02/x
  3. Step 3: Cross multiply
    201,758.04x = 302,639.49 × 68,641.02
  4. Step 4: Simplify right side
    201,758.04x = 20,773,483,285.88
  5. Step 5: Solve for x
    x = 20,773,483,285.88/201,758.04
  6. Step 6: Final answer
    x = 102,962.36

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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.