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Finding the Fourth Proportional to 248,585.69, 343,050.57 and 141,157.96

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Solution

The fourth proportional to 248,585.69, 343,050.57 and 141,157.96 is: 194,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,585.69 : 343,050.57 = 141,157.96 : x
  2. Step 2: Convert to fraction form
    248,585.69/343,050.57 = 141,157.96/x
  3. Step 3: Cross multiply
    248,585.69x = 343,050.57 × 141,157.96
  4. Step 4: Simplify right side
    248,585.69x = 48,424,317,780.41
  5. Step 5: Solve for x
    x = 48,424,317,780.41/248,585.69
  6. Step 6: Final answer
    x = 194,799.30

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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.