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Finding the Fourth Proportional to 248,293.62, 372,442.32 and 70,800.48

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Solution

The fourth proportional to 248,293.62, 372,442.32 and 70,800.48 is: 106,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,293.62 : 372,442.32 = 70,800.48 : x
  2. Step 2: Convert to fraction form
    248,293.62/372,442.32 = 70,800.48/x
  3. Step 3: Cross multiply
    248,293.62x = 372,442.32 × 70,800.48
  4. Step 4: Simplify right side
    248,293.62x = 26,369,095,028.31
  5. Step 5: Solve for x
    x = 26,369,095,028.31/248,293.62
  6. Step 6: Final answer
    x = 106,201.26

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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.