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Finding the Fourth Proportional to 248,266.24, 372,107.62 and 114,864.64

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Solution

The fourth proportional to 248,266.24, 372,107.62 and 114,864.64 is: 172,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.24 : 372,107.62 = 114,864.64 : x
  2. Step 2: Convert to fraction form
    248,266.24/372,107.62 = 114,864.64/x
  3. Step 3: Cross multiply
    248,266.24x = 372,107.62 × 114,864.64
  4. Step 4: Simplify right side
    248,266.24x = 42,742,007,812.56
  5. Step 5: Solve for x
    x = 42,742,007,812.56/248,266.24
  6. Step 6: Final answer
    x = 172,161.98

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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.