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Finding the Fourth Proportional to 222,429.60, 333,485.91 and 104,036.40

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Solution

The fourth proportional to 222,429.60, 333,485.91 and 104,036.40 is: 155,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,429.60 : 333,485.91 = 104,036.40 : x
  2. Step 2: Convert to fraction form
    222,429.60/333,485.91 = 104,036.40/x
  3. Step 3: Cross multiply
    222,429.60x = 333,485.91 × 104,036.40
  4. Step 4: Simplify right side
    222,429.60x = 34,694,673,527.12
  5. Step 5: Solve for x
    x = 34,694,673,527.12/222,429.60
  6. Step 6: Final answer
    x = 155,980.47

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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.