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Finding the Fourth Proportional to 167,621, 251,462.42 and 55,308.98

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Solution

The fourth proportional to 167,621, 251,462.42 and 55,308.98 is: 82,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,621 : 251,462.42 = 55,308.98 : x
  2. Step 2: Convert to fraction form
    167,621/251,462.42 = 55,308.98/x
  3. Step 3: Cross multiply
    167,621x = 251,462.42 × 55,308.98
  4. Step 4: Simplify right side
    167,621x = 13,908,129,958.53
  5. Step 5: Solve for x
    x = 13,908,129,958.53/167,621
  6. Step 6: Final answer
    x = 82,973.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.