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Finding the Fourth Proportional to 200,975.04, 301,250.88 and 67,728.96

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Solution

The fourth proportional to 200,975.04, 301,250.88 and 67,728.96 is: 101,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,975.04 : 301,250.88 = 67,728.96 : x
  2. Step 2: Convert to fraction form
    200,975.04/301,250.88 = 67,728.96/x
  3. Step 3: Cross multiply
    200,975.04x = 301,250.88 × 67,728.96
  4. Step 4: Simplify right side
    200,975.04x = 20,403,408,801.48
  5. Step 5: Solve for x
    x = 20,403,408,801.48/200,975.04
  6. Step 6: Final answer
    x = 101,522.10

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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.