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Finding the Fourth Proportional to 192,189.66, 265,201.47 and 111,601.32

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Solution

The fourth proportional to 192,189.66, 265,201.47 and 111,601.32 is: 153,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,189.66 : 265,201.47 = 111,601.32 : x
  2. Step 2: Convert to fraction form
    192,189.66/265,201.47 = 111,601.32/x
  3. Step 3: Cross multiply
    192,189.66x = 265,201.47 × 111,601.32
  4. Step 4: Simplify right side
    192,189.66x = 29,596,834,117.94
  5. Step 5: Solve for x
    x = 29,596,834,117.94/192,189.66
  6. Step 6: Final answer
    x = 153,998.06

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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.