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Finding the Fourth Proportional to 234,411.40, 351,626.84 and 68,199.40

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Solution

The fourth proportional to 234,411.40, 351,626.84 and 68,199.40 is: 102,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,411.40 : 351,626.84 = 68,199.40 : x
  2. Step 2: Convert to fraction form
    234,411.40/351,626.84 = 68,199.40/x
  3. Step 3: Cross multiply
    234,411.40x = 351,626.84 × 68,199.40
  4. Step 4: Simplify right side
    234,411.40x = 23,980,739,511.90
  5. Step 5: Solve for x
    x = 23,980,739,511.90/234,411.40
  6. Step 6: Final answer
    x = 102,301.93

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1.5x scale

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.