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Finding the Fourth Proportional to 306,425.76, 459,638.73 and 96,080.10

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Solution

The fourth proportional to 306,425.76, 459,638.73 and 96,080.10 is: 144,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,425.76 : 459,638.73 = 96,080.10 : x
  2. Step 2: Convert to fraction form
    306,425.76/459,638.73 = 96,080.10/x
  3. Step 3: Cross multiply
    306,425.76x = 459,638.73 × 96,080.10
  4. Step 4: Simplify right side
    306,425.76x = 44,162,135,142.27
  5. Step 5: Solve for x
    x = 44,162,135,142.27/306,425.76
  6. Step 6: Final answer
    x = 144,120.18

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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.