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Finding the Fourth Proportional to 210,682.67, 290,670.86 and 119,974.32

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Solution

The fourth proportional to 210,682.67, 290,670.86 and 119,974.32 is: 165,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,682.67 : 290,670.86 = 119,974.32 : x
  2. Step 2: Convert to fraction form
    210,682.67/290,670.86 = 119,974.32/x
  3. Step 3: Cross multiply
    210,682.67x = 290,670.86 × 119,974.32
  4. Step 4: Simplify right side
    210,682.67x = 34,873,038,172.44
  5. Step 5: Solve for x
    x = 34,873,038,172.44/210,682.67
  6. Step 6: Final answer
    x = 165,524.00

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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.