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Finding the Fourth Proportional to 181,638.64, 250,662.54 and 101,069.56

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Solution

The fourth proportional to 181,638.64, 250,662.54 and 101,069.56 is: 139,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638.64 : 250,662.54 = 101,069.56 : x
  2. Step 2: Convert to fraction form
    181,638.64/250,662.54 = 101,069.56/x
  3. Step 3: Cross multiply
    181,638.64x = 250,662.54 × 101,069.56
  4. Step 4: Simplify right side
    181,638.64x = 25,334,352,626.28
  5. Step 5: Solve for x
    x = 25,334,352,626.28/181,638.64
  6. Step 6: Final answer
    x = 139,476.67

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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.