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Finding the Fourth Proportional to 199,814.44, 275,457.90 and 123,282.40

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Solution

The fourth proportional to 199,814.44, 275,457.90 and 123,282.40 is: 169,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,814.44 : 275,457.90 = 123,282.40 : x
  2. Step 2: Convert to fraction form
    199,814.44/275,457.90 = 123,282.40/x
  3. Step 3: Cross multiply
    199,814.44x = 275,457.90 × 123,282.40
  4. Step 4: Simplify right side
    199,814.44x = 33,959,111,010.96
  5. Step 5: Solve for x
    x = 33,959,111,010.96/199,814.44
  6. Step 6: Final answer
    x = 169,953.24

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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.