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Finding the Fourth Proportional to 345,343.50, 518,044.59 and 96,025.50

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Solution

The fourth proportional to 345,343.50, 518,044.59 and 96,025.50 is: 144,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,343.50 : 518,044.59 = 96,025.50 : x
  2. Step 2: Convert to fraction form
    345,343.50/518,044.59 = 96,025.50/x
  3. Step 3: Cross multiply
    345,343.50x = 518,044.59 × 96,025.50
  4. Step 4: Simplify right side
    345,343.50x = 49,745,490,777.05
  5. Step 5: Solve for x
    x = 49,745,490,777.05/345,343.50
  6. Step 6: Final answer
    x = 144,046.41

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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.