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Finding the Fourth Proportional to 181,883.93, 250,986.92 and 100,208.61

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Solution

The fourth proportional to 181,883.93, 250,986.92 and 100,208.61 is: 138,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,883.93 : 250,986.92 = 100,208.61 : x
  2. Step 2: Convert to fraction form
    181,883.93/250,986.92 = 100,208.61/x
  3. Step 3: Cross multiply
    181,883.93x = 250,986.92 × 100,208.61
  4. Step 4: Simplify right side
    181,883.93x = 25,151,049,880.34
  5. Step 5: Solve for x
    x = 25,151,049,880.34/181,883.93
  6. Step 6: Final answer
    x = 138,280.77

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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.