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Finding the Fourth Proportional to 186,026.45, 279,009.81 and 51,059

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Solution

The fourth proportional to 186,026.45, 279,009.81 and 51,059 is: 76,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,026.45 : 279,009.81 = 51,059 : x
  2. Step 2: Convert to fraction form
    186,026.45/279,009.81 = 51,059/x
  3. Step 3: Cross multiply
    186,026.45x = 279,009.81 × 51,059
  4. Step 4: Simplify right side
    186,026.45x = 14,245,961,888.79
  5. Step 5: Solve for x
    x = 14,245,961,888.79/186,026.45
  6. Step 6: Final answer
    x = 76,580.30

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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.