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Finding the Fourth Proportional to 119,412.98, 179,112.99 and 36,300.50

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Solution

The fourth proportional to 119,412.98, 179,112.99 and 36,300.50 is: 54,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,412.98 : 179,112.99 = 36,300.50 : x
  2. Step 2: Convert to fraction form
    119,412.98/179,112.99 = 36,300.50/x
  3. Step 3: Cross multiply
    119,412.98x = 179,112.99 × 36,300.50
  4. Step 4: Simplify right side
    119,412.98x = 6,501,891,093.50
  5. Step 5: Solve for x
    x = 6,501,891,093.50/119,412.98
  6. Step 6: Final answer
    x = 54,448.78

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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.