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Finding the Fourth Proportional to 234,975.60, 352,463.40 and 68,763.60

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Solution

The fourth proportional to 234,975.60, 352,463.40 and 68,763.60 is: 103,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,975.60 : 352,463.40 = 68,763.60 : x
  2. Step 2: Convert to fraction form
    234,975.60/352,463.40 = 68,763.60/x
  3. Step 3: Cross multiply
    234,975.60x = 352,463.40 × 68,763.60
  4. Step 4: Simplify right side
    234,975.60x = 24,236,652,252.24
  5. Step 5: Solve for x
    x = 24,236,652,252.24/234,975.60
  6. Step 6: Final answer
    x = 103,145.40

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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.