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Finding the Fourth Proportional to 84,769.80, 127,227.60 and 37,457.70

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Solution

The fourth proportional to 84,769.80, 127,227.60 and 37,457.70 is: 56,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,769.80 : 127,227.60 = 37,457.70 : x
  2. Step 2: Convert to fraction form
    84,769.80/127,227.60 = 37,457.70/x
  3. Step 3: Cross multiply
    84,769.80x = 127,227.60 × 37,457.70
  4. Step 4: Simplify right side
    84,769.80x = 4,765,653,272.52
  5. Step 5: Solve for x
    x = 4,765,653,272.52/84,769.80
  6. Step 6: Final answer
    x = 56,218.76

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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.