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Finding the Fourth Proportional to 181,855.34, 250,968.12 and 101,282.87

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Solution

The fourth proportional to 181,855.34, 250,968.12 and 101,282.87 is: 139,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,855.34 : 250,968.12 = 101,282.87 : x
  2. Step 2: Convert to fraction form
    181,855.34/250,968.12 = 101,282.87/x
  3. Step 3: Cross multiply
    181,855.34x = 250,968.12 × 101,282.87
  4. Step 4: Simplify right side
    181,855.34x = 25,418,770,217.26
  5. Step 5: Solve for x
    x = 25,418,770,217.26/181,855.34
  6. Step 6: Final answer
    x = 139,774.67

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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.