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Finding the Fourth Proportional to 222,701.76, 307,341 and 132,111.36

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Solution

The fourth proportional to 222,701.76, 307,341 and 132,111.36 is: 182,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,701.76 : 307,341 = 132,111.36 : x
  2. Step 2: Convert to fraction form
    222,701.76/307,341 = 132,111.36/x
  3. Step 3: Cross multiply
    222,701.76x = 307,341 × 132,111.36
  4. Step 4: Simplify right side
    222,701.76x = 40,603,237,493.76
  5. Step 5: Solve for x
    x = 40,603,237,493.76/222,701.76
  6. Step 6: Final answer
    x = 182,321.13

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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.