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Finding the Fourth Proportional to 164,721, 227,339.38 and 104,297.26

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Solution

The fourth proportional to 164,721, 227,339.38 and 104,297.26 is: 143,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,721 : 227,339.38 = 104,297.26 : x
  2. Step 2: Convert to fraction form
    164,721/227,339.38 = 104,297.26/x
  3. Step 3: Cross multiply
    164,721x = 227,339.38 × 104,297.26
  4. Step 4: Simplify right side
    164,721x = 23,710,874,424.10
  5. Step 5: Solve for x
    x = 23,710,874,424.10/164,721
  6. Step 6: Final answer
    x = 143,945.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.