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Finding the Fourth Proportional to 222,476.62, 307,022.63 and 126,981.34

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Solution

The fourth proportional to 222,476.62, 307,022.63 and 126,981.34 is: 175,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,476.62 : 307,022.63 = 126,981.34 : x
  2. Step 2: Convert to fraction form
    222,476.62/307,022.63 = 126,981.34/x
  3. Step 3: Cross multiply
    222,476.62x = 307,022.63 × 126,981.34
  4. Step 4: Simplify right side
    222,476.62x = 38,986,144,967.72
  5. Step 5: Solve for x
    x = 38,986,144,967.72/222,476.62
  6. Step 6: Final answer
    x = 175,237.04

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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.