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Finding the Fourth Proportional to 207,804.84, 311,707.27 and 95,579.45

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Solution

The fourth proportional to 207,804.84, 311,707.27 and 95,579.45 is: 143,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,804.84 : 311,707.27 = 95,579.45 : x
  2. Step 2: Convert to fraction form
    207,804.84/311,707.27 = 95,579.45/x
  3. Step 3: Cross multiply
    207,804.84x = 311,707.27 × 95,579.45
  4. Step 4: Simplify right side
    207,804.84x = 29,792,809,967.92
  5. Step 5: Solve for x
    x = 29,792,809,967.92/207,804.84
  6. Step 6: Final answer
    x = 143,369.18

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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.