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Finding the Fourth Proportional to 160,980, 241,483.32 and 50,172

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Solution

The fourth proportional to 160,980, 241,483.32 and 50,172 is: 75,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980 : 241,483.32 = 50,172 : x
  2. Step 2: Convert to fraction form
    160,980/241,483.32 = 50,172/x
  3. Step 3: Cross multiply
    160,980x = 241,483.32 × 50,172
  4. Step 4: Simplify right side
    160,980x = 12,115,701,131.04
  5. Step 5: Solve for x
    x = 12,115,701,131.04/160,980
  6. Step 6: Final answer
    x = 75,262.15

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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.