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Finding the Fourth Proportional to 306,080.91, 459,129.58 and 95,718.85

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Solution

The fourth proportional to 306,080.91, 459,129.58 and 95,718.85 is: 143,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,080.91 : 459,129.58 = 95,718.85 : x
  2. Step 2: Convert to fraction form
    306,080.91/459,129.58 = 95,718.85/x
  3. Step 3: Cross multiply
    306,080.91x = 459,129.58 × 95,718.85
  4. Step 4: Simplify right side
    306,080.91x = 43,947,355,398.58
  5. Step 5: Solve for x
    x = 43,947,355,398.58/306,080.91
  6. Step 6: Final answer
    x = 143,580.84

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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.