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Finding the Fourth Proportional to 222,078.70, 333,166.65 and 109,812.70

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Solution

The fourth proportional to 222,078.70, 333,166.65 and 109,812.70 is: 164,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,078.70 : 333,166.65 = 109,812.70 : x
  2. Step 2: Convert to fraction form
    222,078.70/333,166.65 = 109,812.70/x
  3. Step 3: Cross multiply
    222,078.70x = 333,166.65 × 109,812.70
  4. Step 4: Simplify right side
    222,078.70x = 36,585,929,386.46
  5. Step 5: Solve for x
    x = 36,585,929,386.46/222,078.70
  6. Step 6: Final answer
    x = 164,743.08

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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.