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Finding the Fourth Proportional to 248,684.88, 343,174.40 and 141,254.58

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Solution

The fourth proportional to 248,684.88, 343,174.40 and 141,254.58 is: 194,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,684.88 : 343,174.40 = 141,254.58 : x
  2. Step 2: Convert to fraction form
    248,684.88/343,174.40 = 141,254.58/x
  3. Step 3: Cross multiply
    248,684.88x = 343,174.40 × 141,254.58
  4. Step 4: Simplify right side
    248,684.88x = 48,474,955,738.75
  5. Step 5: Solve for x
    x = 48,474,955,738.75/248,684.88
  6. Step 6: Final answer
    x = 194,925.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.