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Finding the Fourth Proportional to 270,622.62, 373,449.95 and 149,769

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Solution

The fourth proportional to 270,622.62, 373,449.95 and 149,769 is: 206,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,622.62 : 373,449.95 = 149,769 : x
  2. Step 2: Convert to fraction form
    270,622.62/373,449.95 = 149,769/x
  3. Step 3: Cross multiply
    270,622.62x = 373,449.95 × 149,769
  4. Step 4: Simplify right side
    270,622.62x = 55,931,225,374.34
  5. Step 5: Solve for x
    x = 55,931,225,374.34/270,622.62
  6. Step 6: Final answer
    x = 206,676.09

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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.