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Finding the Fourth Proportional to 243,185.22, 335,494.44 and 161,552.70

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Solution

The fourth proportional to 243,185.22, 335,494.44 and 161,552.70 is: 222,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,185.22 : 335,494.44 = 161,552.70 : x
  2. Step 2: Convert to fraction form
    243,185.22/335,494.44 = 161,552.70/x
  3. Step 3: Cross multiply
    243,185.22x = 335,494.44 × 161,552.70
  4. Step 4: Simplify right side
    243,185.22x = 54,200,032,616.99
  5. Step 5: Solve for x
    x = 54,200,032,616.99/243,185.22
  6. Step 6: Final answer
    x = 222,875.52

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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.