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Finding the Fourth Proportional to 222,059.52, 306,406.40 and 126,566.40

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Solution

The fourth proportional to 222,059.52, 306,406.40 and 126,566.40 is: 174,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,059.52 : 306,406.40 = 126,566.40 : x
  2. Step 2: Convert to fraction form
    222,059.52/306,406.40 = 126,566.40/x
  3. Step 3: Cross multiply
    222,059.52x = 306,406.40 × 126,566.40
  4. Step 4: Simplify right side
    222,059.52x = 38,780,754,984.96
  5. Step 5: Solve for x
    x = 38,780,754,984.96/222,059.52
  6. Step 6: Final answer
    x = 174,641.26

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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.