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Finding the Fourth Proportional to 222,111.04, 333,296.88 and 81,967.36

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Solution

The fourth proportional to 222,111.04, 333,296.88 and 81,967.36 is: 122,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,111.04 : 333,296.88 = 81,967.36 : x
  2. Step 2: Convert to fraction form
    222,111.04/333,296.88 = 81,967.36/x
  3. Step 3: Cross multiply
    222,111.04x = 333,296.88 × 81,967.36
  4. Step 4: Simplify right side
    222,111.04x = 27,319,465,349.84
  5. Step 5: Solve for x
    x = 27,319,465,349.84/222,111.04
  6. Step 6: Final answer
    x = 122,999.13

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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.