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Finding the Fourth Proportional to 448,749.54, 672,927.03 and 168,069.96

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Solution

The fourth proportional to 448,749.54, 672,927.03 and 168,069.96 is: 252,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,749.54 : 672,927.03 = 168,069.96 : x
  2. Step 2: Convert to fraction form
    448,749.54/672,927.03 = 168,069.96/x
  3. Step 3: Cross multiply
    448,749.54x = 672,927.03 × 168,069.96
  4. Step 4: Simplify right side
    448,749.54x = 113,098,819,015.02
  5. Step 5: Solve for x
    x = 113,098,819,015.02/448,749.54
  6. Step 6: Final answer
    x = 252,031.05

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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.