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Finding the Fourth Proportional to 186,386.22, 279,346.02 and 146,786.94

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Solution

The fourth proportional to 186,386.22, 279,346.02 and 146,786.94 is: 219,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,386.22 : 279,346.02 = 146,786.94 : x
  2. Step 2: Convert to fraction form
    186,386.22/279,346.02 = 146,786.94/x
  3. Step 3: Cross multiply
    186,386.22x = 279,346.02 × 146,786.94
  4. Step 4: Simplify right side
    186,386.22x = 41,004,347,476.98
  5. Step 5: Solve for x
    x = 41,004,347,476.98/186,386.22
  6. Step 6: Final answer
    x = 219,996.67

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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.