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Finding the Fourth Proportional to 192,927.69, 266,192.12 and 111,280.91

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Solution

The fourth proportional to 192,927.69, 266,192.12 and 111,280.91 is: 153,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,927.69 : 266,192.12 = 111,280.91 : x
  2. Step 2: Convert to fraction form
    192,927.69/266,192.12 = 111,280.91/x
  3. Step 3: Cross multiply
    192,927.69x = 266,192.12 × 111,280.91
  4. Step 4: Simplify right side
    192,927.69x = 29,622,100,295.67
  5. Step 5: Solve for x
    x = 29,622,100,295.67/192,927.69
  6. Step 6: Final answer
    x = 153,539.91

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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.