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Finding the Fourth Proportional to 236,653.44, 326,582.32 and 129,224.32

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Solution

The fourth proportional to 236,653.44, 326,582.32 and 129,224.32 is: 178,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,653.44 : 326,582.32 = 129,224.32 : x
  2. Step 2: Convert to fraction form
    236,653.44/326,582.32 = 129,224.32/x
  3. Step 3: Cross multiply
    236,653.44x = 326,582.32 × 129,224.32
  4. Step 4: Simplify right side
    236,653.44x = 42,202,378,226.02
  5. Step 5: Solve for x
    x = 42,202,378,226.02/236,653.44
  6. Step 6: Final answer
    x = 178,329.87

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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.