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Finding the Fourth Proportional to 248,257.01, 342,619.89 and 146,315.30

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Solution

The fourth proportional to 248,257.01, 342,619.89 and 146,315.30 is: 201,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,257.01 : 342,619.89 = 146,315.30 : x
  2. Step 2: Convert to fraction form
    248,257.01/342,619.89 = 146,315.30/x
  3. Step 3: Cross multiply
    248,257.01x = 342,619.89 × 146,315.30
  4. Step 4: Simplify right side
    248,257.01x = 50,130,530,278.22
  5. Step 5: Solve for x
    x = 50,130,530,278.22/248,257.01
  6. Step 6: Final answer
    x = 201,929.97

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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.