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Finding the Fourth Proportional to 234,150.01, 323,126.99 and 126,720.06

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Solution

The fourth proportional to 234,150.01, 323,126.99 and 126,720.06 is: 174,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,150.01 : 323,126.99 = 126,720.06 : x
  2. Step 2: Convert to fraction form
    234,150.01/323,126.99 = 126,720.06/x
  3. Step 3: Cross multiply
    234,150.01x = 323,126.99 × 126,720.06
  4. Step 4: Simplify right side
    234,150.01x = 40,946,672,007.88
  5. Step 5: Solve for x
    x = 40,946,672,007.88/234,150.01
  6. Step 6: Final answer
    x = 174,873.67

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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.