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Finding the Fourth Proportional to 248,840.10, 373,260.15 and 154,361.70

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Solution

The fourth proportional to 248,840.10, 373,260.15 and 154,361.70 is: 231,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.10 : 373,260.15 = 154,361.70 : x
  2. Step 2: Convert to fraction form
    248,840.10/373,260.15 = 154,361.70/x
  3. Step 3: Cross multiply
    248,840.10x = 373,260.15 × 154,361.70
  4. Step 4: Simplify right side
    248,840.10x = 57,617,071,296.26
  5. Step 5: Solve for x
    x = 57,617,071,296.26/248,840.10
  6. Step 6: Final answer
    x = 231,542.55

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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.