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Finding the Fourth Proportional to 248,989.23, 373,486.41 and 71,495.82

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Solution

The fourth proportional to 248,989.23, 373,486.41 and 71,495.82 is: 107,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,989.23 : 373,486.41 = 71,495.82 : x
  2. Step 2: Convert to fraction form
    248,989.23/373,486.41 = 71,495.82/x
  3. Step 3: Cross multiply
    248,989.23x = 373,486.41 × 71,495.82
  4. Step 4: Simplify right side
    248,989.23x = 26,702,717,141.81
  5. Step 5: Solve for x
    x = 26,702,717,141.81/248,989.23
  6. Step 6: Final answer
    x = 107,244.47

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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.