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Finding the Fourth Proportional to 234,870.63, 352,364.46 and 68,658.63

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Solution

The fourth proportional to 234,870.63, 352,364.46 and 68,658.63 is: 103,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,870.63 : 352,364.46 = 68,658.63 : x
  2. Step 2: Convert to fraction form
    234,870.63/352,364.46 = 68,658.63/x
  3. Step 3: Cross multiply
    234,870.63x = 352,364.46 × 68,658.63
  4. Step 4: Simplify right side
    234,870.63x = 24,192,861,084.29
  5. Step 5: Solve for x
    x = 24,192,861,084.29/234,870.63
  6. Step 6: Final answer
    x = 103,005.05

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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.