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Finding the Fourth Proportional to 181,638.39, 250,662.22 and 101,069.31

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Solution

The fourth proportional to 181,638.39, 250,662.22 and 101,069.31 is: 139,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638.39 : 250,662.22 = 101,069.31 : x
  2. Step 2: Convert to fraction form
    181,638.39/250,662.22 = 101,069.31/x
  3. Step 3: Cross multiply
    181,638.39x = 250,662.22 × 101,069.31
  4. Step 4: Simplify right side
    181,638.39x = 25,334,257,113.12
  5. Step 5: Solve for x
    x = 25,334,257,113.12/181,638.39
  6. Step 6: Final answer
    x = 139,476.34

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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.