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Finding the Fourth Proportional to 168,361.80, 232,368.92 and 100,382.95

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Solution

The fourth proportional to 168,361.80, 232,368.92 and 100,382.95 is: 138,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,361.80 : 232,368.92 = 100,382.95 : x
  2. Step 2: Convert to fraction form
    168,361.80/232,368.92 = 100,382.95/x
  3. Step 3: Cross multiply
    168,361.80x = 232,368.92 × 100,382.95
  4. Step 4: Simplify right side
    168,361.80x = 23,325,877,677.91
  5. Step 5: Solve for x
    x = 23,325,877,677.91/168,361.80
  6. Step 6: Final answer
    x = 138,546.14

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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.