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Finding the Fourth Proportional to 224,218.80, 336,457.80 and 83,991.60

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Solution

The fourth proportional to 224,218.80, 336,457.80 and 83,991.60 is: 126,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,218.80 : 336,457.80 = 83,991.60 : x
  2. Step 2: Convert to fraction form
    224,218.80/336,457.80 = 83,991.60/x
  3. Step 3: Cross multiply
    224,218.80x = 336,457.80 × 83,991.60
  4. Step 4: Simplify right side
    224,218.80x = 28,259,628,954.48
  5. Step 5: Solve for x
    x = 28,259,628,954.48/224,218.80
  6. Step 6: Final answer
    x = 126,035.95

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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.