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Finding the Fourth Proportional to 248,457.65, 372,216.26 and 146,951.69

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Solution

The fourth proportional to 248,457.65, 372,216.26 and 146,951.69 is: 220,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457.65 : 372,216.26 = 146,951.69 : x
  2. Step 2: Convert to fraction form
    248,457.65/372,216.26 = 146,951.69/x
  3. Step 3: Cross multiply
    248,457.65x = 372,216.26 × 146,951.69
  4. Step 4: Simplify right side
    248,457.65x = 54,697,806,958.78
  5. Step 5: Solve for x
    x = 54,697,806,958.78/248,457.65
  6. Step 6: Final answer
    x = 220,149.42

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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.