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Finding the Fourth Proportional to 250,479.84, 345,663.40 and 149,877.84

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Solution

The fourth proportional to 250,479.84, 345,663.40 and 149,877.84 is: 206,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479.84 : 345,663.40 = 149,877.84 : x
  2. Step 2: Convert to fraction form
    250,479.84/345,663.40 = 149,877.84/x
  3. Step 3: Cross multiply
    250,479.84x = 345,663.40 × 149,877.84
  4. Step 4: Simplify right side
    250,479.84x = 51,807,284,961.62
  5. Step 5: Solve for x
    x = 51,807,284,961.62/250,479.84
  6. Step 6: Final answer
    x = 206,832.15

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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.