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Finding the Fourth Proportional to 222,836.81, 307,535.81 and 127,324.98

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Solution

The fourth proportional to 222,836.81, 307,535.81 and 127,324.98 is: 175,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,836.81 : 307,535.81 = 127,324.98 : x
  2. Step 2: Convert to fraction form
    222,836.81/307,535.81 = 127,324.98/x
  3. Step 3: Cross multiply
    222,836.81x = 307,535.81 × 127,324.98
  4. Step 4: Simplify right side
    222,836.81x = 39,156,990,220.91
  5. Step 5: Solve for x
    x = 39,156,990,220.91/222,836.81
  6. Step 6: Final answer
    x = 175,720.48

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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.