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Finding the Fourth Proportional to 248,720.64, 373,000.32 and 82,464

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Solution

The fourth proportional to 248,720.64, 373,000.32 and 82,464 is: 123,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.64 : 373,000.32 = 82,464 : x
  2. Step 2: Convert to fraction form
    248,720.64/373,000.32 = 82,464/x
  3. Step 3: Cross multiply
    248,720.64x = 373,000.32 × 82,464
  4. Step 4: Simplify right side
    248,720.64x = 30,759,098,388.48
  5. Step 5: Solve for x
    x = 30,759,098,388.48/248,720.64
  6. Step 6: Final answer
    x = 123,669.26

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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.