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Finding the Fourth Proportional to 248,168.81, 372,294.74 and 194,858.64

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Solution

The fourth proportional to 248,168.81, 372,294.74 and 194,858.64 is: 292,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.81 : 372,294.74 = 194,858.64 : x
  2. Step 2: Convert to fraction form
    248,168.81/372,294.74 = 194,858.64/x
  3. Step 3: Cross multiply
    248,168.81x = 372,294.74 × 194,858.64
  4. Step 4: Simplify right side
    248,168.81x = 72,544,845,741.26
  5. Step 5: Solve for x
    x = 72,544,845,741.26/248,168.81
  6. Step 6: Final answer
    x = 292,320.57

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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.