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Finding the Fourth Proportional to 223,571.07, 308,437.03 and 126,754.54

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Solution

The fourth proportional to 223,571.07, 308,437.03 and 126,754.54 is: 174,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,571.07 : 308,437.03 = 126,754.54 : x
  2. Step 2: Convert to fraction form
    223,571.07/308,437.03 = 126,754.54/x
  3. Step 3: Cross multiply
    223,571.07x = 308,437.03 × 126,754.54
  4. Step 4: Simplify right side
    223,571.07x = 39,095,793,243.97
  5. Step 5: Solve for x
    x = 39,095,793,243.97/223,571.07
  6. Step 6: Final answer
    x = 174,869.64

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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.