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Finding the Fourth Proportional to 126,573.51, 189,860.25 and 37,824.12

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Solution

The fourth proportional to 126,573.51, 189,860.25 and 37,824.12 is: 56,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,573.51 : 189,860.25 = 37,824.12 : x
  2. Step 2: Convert to fraction form
    126,573.51/189,860.25 = 37,824.12/x
  3. Step 3: Cross multiply
    126,573.51x = 189,860.25 × 37,824.12
  4. Step 4: Simplify right side
    126,573.51x = 7,181,296,879.23
  5. Step 5: Solve for x
    x = 7,181,296,879.23/126,573.51
  6. Step 6: Final answer
    x = 56,736.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.