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Finding the Fourth Proportional to 248,870.49, 373,679.57 and 142,374.68

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Solution

The fourth proportional to 248,870.49, 373,679.57 and 142,374.68 is: 213,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,870.49 : 373,679.57 = 142,374.68 : x
  2. Step 2: Convert to fraction form
    248,870.49/373,679.57 = 142,374.68/x
  3. Step 3: Cross multiply
    248,870.49x = 373,679.57 × 142,374.68
  4. Step 4: Simplify right side
    248,870.49x = 53,202,509,201.29
  5. Step 5: Solve for x
    x = 53,202,509,201.29/248,870.49
  6. Step 6: Final answer
    x = 213,775.88

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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.