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Finding the Fourth Proportional to 77,556, 116,334 and 22,152

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Solution

The fourth proportional to 77,556, 116,334 and 22,152 is: 33,228

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,556 : 116,334 = 22,152 : x
  2. Step 2: Convert to fraction form
    77,556/116,334 = 22,152/x
  3. Step 3: Cross multiply
    77,556x = 116,334 × 22,152
  4. Step 4: Simplify right side
    77,556x = 2,577,030,768
  5. Step 5: Solve for x
    x = 2,577,030,768/77,556
  6. Step 6: Final answer
    x = 33,228

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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.