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Finding the Fourth Proportional to 201,952.90, 302,929.35 and 68,983.30

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Solution

The fourth proportional to 201,952.90, 302,929.35 and 68,983.30 is: 103,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,952.90 : 302,929.35 = 68,983.30 : x
  2. Step 2: Convert to fraction form
    201,952.90/302,929.35 = 68,983.30/x
  3. Step 3: Cross multiply
    201,952.90x = 302,929.35 × 68,983.30
  4. Step 4: Simplify right side
    201,952.90x = 20,897,066,229.86
  5. Step 5: Solve for x
    x = 20,897,066,229.86/201,952.90
  6. Step 6: Final answer
    x = 103,474.95

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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.