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Finding the Fourth Proportional to 225,037.40, 337,685.70 and 84,896.60

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Solution

The fourth proportional to 225,037.40, 337,685.70 and 84,896.60 is: 127,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,037.40 : 337,685.70 = 84,896.60 : x
  2. Step 2: Convert to fraction form
    225,037.40/337,685.70 = 84,896.60/x
  3. Step 3: Cross multiply
    225,037.40x = 337,685.70 × 84,896.60
  4. Step 4: Simplify right side
    225,037.40x = 28,668,367,798.62
  5. Step 5: Solve for x
    x = 28,668,367,798.62/225,037.40
  6. Step 6: Final answer
    x = 127,393.79

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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.