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Finding the Fourth Proportional to 210,175.88, 290,049.09 and 119,544.89

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Solution

The fourth proportional to 210,175.88, 290,049.09 and 119,544.89 is: 164,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,175.88 : 290,049.09 = 119,544.89 : x
  2. Step 2: Convert to fraction form
    210,175.88/290,049.09 = 119,544.89/x
  3. Step 3: Cross multiply
    210,175.88x = 290,049.09 × 119,544.89
  4. Step 4: Simplify right side
    210,175.88x = 34,673,886,558.65
  5. Step 5: Solve for x
    x = 34,673,886,558.65/210,175.88
  6. Step 6: Final answer
    x = 164,975.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.