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Finding the Fourth Proportional to 248,261.42, 372,100.51 and 114,859.92

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Solution

The fourth proportional to 248,261.42, 372,100.51 and 114,859.92 is: 172,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,261.42 : 372,100.51 = 114,859.92 : x
  2. Step 2: Convert to fraction form
    248,261.42/372,100.51 = 114,859.92/x
  3. Step 3: Cross multiply
    248,261.42x = 372,100.51 × 114,859.92
  4. Step 4: Simplify right side
    248,261.42x = 42,739,434,810.56
  5. Step 5: Solve for x
    x = 42,739,434,810.56/248,261.42
  6. Step 6: Final answer
    x = 172,154.96

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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.