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Finding the Fourth Proportional to 248,703.60, 372,261.60 and 196,215.60

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Solution

The fourth proportional to 248,703.60, 372,261.60 and 196,215.60 is: 293,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,703.60 : 372,261.60 = 196,215.60 : x
  2. Step 2: Convert to fraction form
    248,703.60/372,261.60 = 196,215.60/x
  3. Step 3: Cross multiply
    248,703.60x = 372,261.60 × 196,215.60
  4. Step 4: Simplify right side
    248,703.60x = 73,043,533,200.96
  5. Step 5: Solve for x
    x = 73,043,533,200.96/248,703.60
  6. Step 6: Final answer
    x = 293,697.13

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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.