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Finding the Fourth Proportional to 248,173.68, 372,119.28 and 169,383.36

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Solution

The fourth proportional to 248,173.68, 372,119.28 and 169,383.36 is: 253,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,173.68 : 372,119.28 = 169,383.36 : x
  2. Step 2: Convert to fraction form
    248,173.68/372,119.28 = 169,383.36/x
  3. Step 3: Cross multiply
    248,173.68x = 372,119.28 × 169,383.36
  4. Step 4: Simplify right side
    248,173.68x = 63,030,813,967.18
  5. Step 5: Solve for x
    x = 63,030,813,967.18/248,173.68
  6. Step 6: Final answer
    x = 253,978.64

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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.