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Finding the Fourth Proportional to 248,390.94, 372,274 and 134,534.30

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Solution

The fourth proportional to 248,390.94, 372,274 and 134,534.30 is: 201,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,390.94 : 372,274 = 134,534.30 : x
  2. Step 2: Convert to fraction form
    248,390.94/372,274 = 134,534.30/x
  3. Step 3: Cross multiply
    248,390.94x = 372,274 × 134,534.30
  4. Step 4: Simplify right side
    248,390.94x = 50,083,621,998.20
  5. Step 5: Solve for x
    x = 50,083,621,998.20/248,390.94
  6. Step 6: Final answer
    x = 201,632.24

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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.