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Finding the Fourth Proportional to 306,154.42, 459,236.31 and 116,625.31

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Solution

The fourth proportional to 306,154.42, 459,236.31 and 116,625.31 is: 174,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,154.42 : 459,236.31 = 116,625.31 : x
  2. Step 2: Convert to fraction form
    306,154.42/459,236.31 = 116,625.31/x
  3. Step 3: Cross multiply
    306,154.42x = 459,236.31 × 116,625.31
  4. Step 4: Simplify right side
    306,154.42x = 53,558,577,017.01
  5. Step 5: Solve for x
    x = 53,558,577,017.01/306,154.42
  6. Step 6: Final answer
    x = 174,939.75

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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.