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Finding the Fourth Proportional to 168,398, 232,362.76 and 96,764.16

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Solution

The fourth proportional to 168,398, 232,362.76 and 96,764.16 is: 133,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,398 : 232,362.76 = 96,764.16 : x
  2. Step 2: Convert to fraction form
    168,398/232,362.76 = 96,764.16/x
  3. Step 3: Cross multiply
    168,398x = 232,362.76 × 96,764.16
  4. Step 4: Simplify right side
    168,398x = 22,484,387,286.68
  5. Step 5: Solve for x
    x = 22,484,387,286.68/168,398
  6. Step 6: Final answer
    x = 133,519.32

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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.