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Finding the Fourth Proportional to 171,415.88, 236,475.36 and 111,006

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Solution

The fourth proportional to 171,415.88, 236,475.36 and 111,006 is: 153,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,415.88 : 236,475.36 = 111,006 : x
  2. Step 2: Convert to fraction form
    171,415.88/236,475.36 = 111,006/x
  3. Step 3: Cross multiply
    171,415.88x = 236,475.36 × 111,006
  4. Step 4: Simplify right side
    171,415.88x = 26,250,183,812.16
  5. Step 5: Solve for x
    x = 26,250,183,812.16/171,415.88
  6. Step 6: Final answer
    x = 153,137.41

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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.