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Finding the Fourth Proportional to 220,004.70, 303,611.31 and 124,511.46

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Solution

The fourth proportional to 220,004.70, 303,611.31 and 124,511.46 is: 171,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,004.70 : 303,611.31 = 124,511.46 : x
  2. Step 2: Convert to fraction form
    220,004.70/303,611.31 = 124,511.46/x
  3. Step 3: Cross multiply
    220,004.70x = 303,611.31 × 124,511.46
  4. Step 4: Simplify right side
    220,004.70x = 37,803,087,480.61
  5. Step 5: Solve for x
    x = 37,803,087,480.61/220,004.70
  6. Step 6: Final answer
    x = 171,828.54

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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.