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Finding the Fourth Proportional to 306,321.54, 459,482.51 and 95,975.88

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Solution

The fourth proportional to 306,321.54, 459,482.51 and 95,975.88 is: 143,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,321.54 : 459,482.51 = 95,975.88 : x
  2. Step 2: Convert to fraction form
    306,321.54/459,482.51 = 95,975.88/x
  3. Step 3: Cross multiply
    306,321.54x = 459,482.51 × 95,975.88
  4. Step 4: Simplify right side
    306,321.54x = 44,099,238,241.86
  5. Step 5: Solve for x
    x = 44,099,238,241.86/306,321.54
  6. Step 6: Final answer
    x = 143,963.88

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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.