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Finding the Fourth Proportional to 218,025.58, 300,848.24 and 126,160.64

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Solution

The fourth proportional to 218,025.58, 300,848.24 and 126,160.64 is: 174,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,025.58 : 300,848.24 = 126,160.64 : x
  2. Step 2: Convert to fraction form
    218,025.58/300,848.24 = 126,160.64/x
  3. Step 3: Cross multiply
    218,025.58x = 300,848.24 × 126,160.64
  4. Step 4: Simplify right side
    218,025.58x = 37,955,206,501.27
  5. Step 5: Solve for x
    x = 37,955,206,501.27/218,025.58
  6. Step 6: Final answer
    x = 174,086.02

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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.