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Finding the Fourth Proportional to 222,083.80, 306,467.52 and 126,572.05

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Solution

The fourth proportional to 222,083.80, 306,467.52 and 126,572.05 is: 174,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,083.80 : 306,467.52 = 126,572.05 : x
  2. Step 2: Convert to fraction form
    222,083.80/306,467.52 = 126,572.05/x
  3. Step 3: Cross multiply
    222,083.80x = 306,467.52 × 126,572.05
  4. Step 4: Simplify right side
    222,083.80x = 38,790,222,264.82
  5. Step 5: Solve for x
    x = 38,790,222,264.82/222,083.80
  6. Step 6: Final answer
    x = 174,664.80

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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.