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Finding the Fourth Proportional to 216,887.44, 299,298.51 and 126,241.46

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Solution

The fourth proportional to 216,887.44, 299,298.51 and 126,241.46 is: 174,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,887.44 : 299,298.51 = 126,241.46 : x
  2. Step 2: Convert to fraction form
    216,887.44/299,298.51 = 126,241.46/x
  3. Step 3: Cross multiply
    216,887.44x = 299,298.51 × 126,241.46
  4. Step 4: Simplify right side
    216,887.44x = 37,783,880,878.22
  5. Step 5: Solve for x
    x = 37,783,880,878.22/216,887.44
  6. Step 6: Final answer
    x = 174,209.63

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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.