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Finding the Fourth Proportional to 270,624.72, 373,452.88 and 149,771.08

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Solution

The fourth proportional to 270,624.72, 373,452.88 and 149,771.08 is: 206,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,624.72 : 373,452.88 = 149,771.08 : x
  2. Step 2: Convert to fraction form
    270,624.72/373,452.88 = 149,771.08/x
  3. Step 3: Cross multiply
    270,624.72x = 373,452.88 × 149,771.08
  4. Step 4: Simplify right side
    270,624.72x = 55,932,441,166.71
  5. Step 5: Solve for x
    x = 55,932,441,166.71/270,624.72
  6. Step 6: Final answer
    x = 206,678.98

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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.