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Finding the Fourth Proportional to 179,355.99, 247,512.84 and 98,786.28

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Solution

The fourth proportional to 179,355.99, 247,512.84 and 98,786.28 is: 136,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355.99 : 247,512.84 = 98,786.28 : x
  2. Step 2: Convert to fraction form
    179,355.99/247,512.84 = 98,786.28/x
  3. Step 3: Cross multiply
    179,355.99x = 247,512.84 × 98,786.28
  4. Step 4: Simplify right side
    179,355.99x = 24,450,872,715.84
  5. Step 5: Solve for x
    x = 24,450,872,715.84/179,355.99
  6. Step 6: Final answer
    x = 136,325.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.