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Finding the Fourth Proportional to 168,418.61, 232,362.49 and 120,028.16

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Solution

The fourth proportional to 168,418.61, 232,362.49 and 120,028.16 is: 165,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,418.61 : 232,362.49 = 120,028.16 : x
  2. Step 2: Convert to fraction form
    168,418.61/232,362.49 = 120,028.16/x
  3. Step 3: Cross multiply
    168,418.61x = 232,362.49 × 120,028.16
  4. Step 4: Simplify right side
    168,418.61x = 27,890,041,527.58
  5. Step 5: Solve for x
    x = 27,890,041,527.58/168,418.61
  6. Step 6: Final answer
    x = 165,599.52

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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.