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Finding the Fourth Proportional to 222,263.36, 306,720.30 and 126,771.68

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Solution

The fourth proportional to 222,263.36, 306,720.30 and 126,771.68 is: 174,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,263.36 : 306,720.30 = 126,771.68 : x
  2. Step 2: Convert to fraction form
    222,263.36/306,720.30 = 126,771.68/x
  3. Step 3: Cross multiply
    222,263.36x = 306,720.30 × 126,771.68
  4. Step 4: Simplify right side
    222,263.36x = 38,883,447,721.10
  5. Step 5: Solve for x
    x = 38,883,447,721.10/222,263.36
  6. Step 6: Final answer
    x = 174,943.13

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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.