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Finding the Fourth Proportional to 251,241.93, 376,650.94 and 108,980.10

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Solution

The fourth proportional to 251,241.93, 376,650.94 and 108,980.10 is: 163,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,241.93 : 376,650.94 = 108,980.10 : x
  2. Step 2: Convert to fraction form
    251,241.93/376,650.94 = 108,980.10/x
  3. Step 3: Cross multiply
    251,241.93x = 376,650.94 × 108,980.10
  4. Step 4: Simplify right side
    251,241.93x = 41,047,457,106.29
  5. Step 5: Solve for x
    x = 41,047,457,106.29/251,241.93
  6. Step 6: Final answer
    x = 163,378.21

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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.