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Finding the Fourth Proportional to 248,963.60, 373,445.40 and 82,751.60

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Solution

The fourth proportional to 248,963.60, 373,445.40 and 82,751.60 is: 124,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,963.60 : 373,445.40 = 82,751.60 : x
  2. Step 2: Convert to fraction form
    248,963.60/373,445.40 = 82,751.60/x
  3. Step 3: Cross multiply
    248,963.60x = 373,445.40 × 82,751.60
  4. Step 4: Simplify right side
    248,963.60x = 30,903,204,362.64
  5. Step 5: Solve for x
    x = 30,903,204,362.64/248,963.60
  6. Step 6: Final answer
    x = 124,127.40

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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.