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Finding the Fourth Proportional to 243,881.93, 336,409.71 and 161,096.42

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Solution

The fourth proportional to 243,881.93, 336,409.71 and 161,096.42 is: 222,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,881.93 : 336,409.71 = 161,096.42 : x
  2. Step 2: Convert to fraction form
    243,881.93/336,409.71 = 161,096.42/x
  3. Step 3: Cross multiply
    243,881.93x = 336,409.71 × 161,096.42
  4. Step 4: Simplify right side
    243,881.93x = 54,194,399,934.24
  5. Step 5: Solve for x
    x = 54,194,399,934.24/243,881.93
  6. Step 6: Final answer
    x = 222,215.73

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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.