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Finding the Fourth Proportional to 232,355.84, 320,632.32 and 131,763.20

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Solution

The fourth proportional to 232,355.84, 320,632.32 and 131,763.20 is: 181,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,355.84 : 320,632.32 = 131,763.20 : x
  2. Step 2: Convert to fraction form
    232,355.84/320,632.32 = 131,763.20/x
  3. Step 3: Cross multiply
    232,355.84x = 320,632.32 × 131,763.20
  4. Step 4: Simplify right side
    232,355.84x = 42,247,540,506.62
  5. Step 5: Solve for x
    x = 42,247,540,506.62/232,355.84
  6. Step 6: Final answer
    x = 181,822.59

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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.