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Finding the Fourth Proportional to 482,099.84, 723,119.76 and 127,106

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Solution

The fourth proportional to 482,099.84, 723,119.76 and 127,106 is: 190,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,099.84 : 723,119.76 = 127,106 : x
  2. Step 2: Convert to fraction form
    482,099.84/723,119.76 = 127,106/x
  3. Step 3: Cross multiply
    482,099.84x = 723,119.76 × 127,106
  4. Step 4: Simplify right side
    482,099.84x = 91,912,860,214.56
  5. Step 5: Solve for x
    x = 91,912,860,214.56/482,099.84
  6. Step 6: Final answer
    x = 190,651.09

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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.