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Finding the Fourth Proportional to 248,254.61, 372,090.32 and 114,853.08

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Solution

The fourth proportional to 248,254.61, 372,090.32 and 114,853.08 is: 172,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254.61 : 372,090.32 = 114,853.08 : x
  2. Step 2: Convert to fraction form
    248,254.61/372,090.32 = 114,853.08/x
  3. Step 3: Cross multiply
    248,254.61x = 372,090.32 × 114,853.08
  4. Step 4: Simplify right side
    248,254.61x = 42,735,719,146.62
  5. Step 5: Solve for x
    x = 42,735,719,146.62/248,254.61
  6. Step 6: Final answer
    x = 172,144.71

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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.