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Finding the Fourth Proportional to 111,552.80, 167,329.20 and 101,703.20

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Solution

The fourth proportional to 111,552.80, 167,329.20 and 101,703.20 is: 152,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,552.80 : 167,329.20 = 101,703.20 : x
  2. Step 2: Convert to fraction form
    111,552.80/167,329.20 = 101,703.20/x
  3. Step 3: Cross multiply
    111,552.80x = 167,329.20 × 101,703.20
  4. Step 4: Simplify right side
    111,552.80x = 17,017,915,093.44
  5. Step 5: Solve for x
    x = 17,017,915,093.44/111,552.80
  6. Step 6: Final answer
    x = 152,554.80

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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.