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Finding the Fourth Proportional to 468,450.75, 702,695.57 and 136,026.75

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Solution

The fourth proportional to 468,450.75, 702,695.57 and 136,026.75 is: 204,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,450.75 : 702,695.57 = 136,026.75 : x
  2. Step 2: Convert to fraction form
    468,450.75/702,695.57 = 136,026.75/x
  3. Step 3: Cross multiply
    468,450.75x = 702,695.57 × 136,026.75
  4. Step 4: Simplify right side
    468,450.75x = 95,585,393,946.36
  5. Step 5: Solve for x
    x = 95,585,393,946.36/468,450.75
  6. Step 6: Final answer
    x = 204,045.77

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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.