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Finding the Fourth Proportional to 248,477.52, 342,889.61 and 151,842.96

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Solution

The fourth proportional to 248,477.52, 342,889.61 and 151,842.96 is: 209,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,477.52 : 342,889.61 = 151,842.96 : x
  2. Step 2: Convert to fraction form
    248,477.52/342,889.61 = 151,842.96/x
  3. Step 3: Cross multiply
    248,477.52x = 342,889.61 × 151,842.96
  4. Step 4: Simplify right side
    248,477.52x = 52,065,372,576.43
  5. Step 5: Solve for x
    x = 52,065,372,576.43/248,477.52
  6. Step 6: Final answer
    x = 209,537.56

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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.