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Finding the Fourth Proportional to 210,585.80, 290,608.44 and 119,950.22

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Solution

The fourth proportional to 210,585.80, 290,608.44 and 119,950.22 is: 165,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,585.80 : 290,608.44 = 119,950.22 : x
  2. Step 2: Convert to fraction form
    210,585.80/290,608.44 = 119,950.22/x
  3. Step 3: Cross multiply
    210,585.80x = 290,608.44 × 119,950.22
  4. Step 4: Simplify right side
    210,585.80x = 34,858,546,311.86
  5. Step 5: Solve for x
    x = 34,858,546,311.86/210,585.80
  6. Step 6: Final answer
    x = 165,531.32

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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.