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Finding the Fourth Proportional to 192,099.44, 265,121.16 and 111,509.66

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Solution

The fourth proportional to 192,099.44, 265,121.16 and 111,509.66 is: 153,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.44 : 265,121.16 = 111,509.66 : x
  2. Step 2: Convert to fraction form
    192,099.44/265,121.16 = 111,509.66/x
  3. Step 3: Cross multiply
    192,099.44x = 265,121.16 × 111,509.66
  4. Step 4: Simplify right side
    192,099.44x = 29,563,570,410.41
  5. Step 5: Solve for x
    x = 29,563,570,410.41/192,099.44
  6. Step 6: Final answer
    x = 153,897.22

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1.5x scale

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.