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Finding the Fourth Proportional to 210,181.66, 290,057.08 and 119,550.66

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Solution

The fourth proportional to 210,181.66, 290,057.08 and 119,550.66 is: 164,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,181.66 : 290,057.08 = 119,550.66 : x
  2. Step 2: Convert to fraction form
    210,181.66/290,057.08 = 119,550.66/x
  3. Step 3: Cross multiply
    210,181.66x = 290,057.08 × 119,550.66
  4. Step 4: Simplify right side
    210,181.66x = 34,676,515,351.67
  5. Step 5: Solve for x
    x = 34,676,515,351.67/210,181.66
  6. Step 6: Final answer
    x = 164,983.54

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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.