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Finding the Fourth Proportional to 228,243.60, 342,446.40 and 101,872.32

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Solution

The fourth proportional to 228,243.60, 342,446.40 and 101,872.32 is: 152,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,243.60 : 342,446.40 = 101,872.32 : x
  2. Step 2: Convert to fraction form
    228,243.60/342,446.40 = 101,872.32/x
  3. Step 3: Cross multiply
    228,243.60x = 342,446.40 × 101,872.32
  4. Step 4: Simplify right side
    228,243.60x = 34,885,809,243.65
  5. Step 5: Solve for x
    x = 34,885,809,243.65/228,243.60
  6. Step 6: Final answer
    x = 152,844.63

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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.