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Finding the Fourth Proportional to 228,220.50, 314,938.62 and 126,250.01

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Solution

The fourth proportional to 228,220.50, 314,938.62 and 126,250.01 is: 174,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,220.50 : 314,938.62 = 126,250.01 : x
  2. Step 2: Convert to fraction form
    228,220.50/314,938.62 = 126,250.01/x
  3. Step 3: Cross multiply
    228,220.50x = 314,938.62 × 126,250.01
  4. Step 4: Simplify right side
    228,220.50x = 39,761,002,349.69
  5. Step 5: Solve for x
    x = 39,761,002,349.69/228,220.50
  6. Step 6: Final answer
    x = 174,221.87

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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.