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Finding the Fourth Proportional to 134,446.16, 201,698.40 and 40,949.44

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Solution

The fourth proportional to 134,446.16, 201,698.40 and 40,949.44 is: 61,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,446.16 : 201,698.40 = 40,949.44 : x
  2. Step 2: Convert to fraction form
    134,446.16/201,698.40 = 40,949.44/x
  3. Step 3: Cross multiply
    134,446.16x = 201,698.40 × 40,949.44
  4. Step 4: Simplify right side
    134,446.16x = 8,259,436,528.90
  5. Step 5: Solve for x
    x = 8,259,436,528.90/134,446.16
  6. Step 6: Final answer
    x = 61,433.04

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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.