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Finding the Fourth Proportional to 228,057.52, 314,692.12 and 126,069.24

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Solution

The fourth proportional to 228,057.52, 314,692.12 and 126,069.24 is: 173,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,057.52 : 314,692.12 = 126,069.24 : x
  2. Step 2: Convert to fraction form
    228,057.52/314,692.12 = 126,069.24/x
  3. Step 3: Cross multiply
    228,057.52x = 314,692.12 × 126,069.24
  4. Step 4: Simplify right side
    228,057.52x = 39,672,996,402.39
  5. Step 5: Solve for x
    x = 39,672,996,402.39/228,057.52
  6. Step 6: Final answer
    x = 173,960.48

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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.