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Finding the Fourth Proportional to 468,626.54, 702,830.14 and 131,699.39

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Solution

The fourth proportional to 468,626.54, 702,830.14 and 131,699.39 is: 197,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,626.54 : 702,830.14 = 131,699.39 : x
  2. Step 2: Convert to fraction form
    468,626.54/702,830.14 = 131,699.39/x
  3. Step 3: Cross multiply
    468,626.54x = 702,830.14 × 131,699.39
  4. Step 4: Simplify right side
    468,626.54x = 92,562,296,868.22
  5. Step 5: Solve for x
    x = 92,562,296,868.22/468,626.54
  6. Step 6: Final answer
    x = 197,518.26

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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.