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Finding the Fourth Proportional to 168,813.88, 233,009.22 and 105,114.04

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Solution

The fourth proportional to 168,813.88, 233,009.22 and 105,114.04 is: 145,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,813.88 : 233,009.22 = 105,114.04 : x
  2. Step 2: Convert to fraction form
    168,813.88/233,009.22 = 105,114.04/x
  3. Step 3: Cross multiply
    168,813.88x = 233,009.22 × 105,114.04
  4. Step 4: Simplify right side
    168,813.88x = 24,492,540,471.45
  5. Step 5: Solve for x
    x = 24,492,540,471.45/168,813.88
  6. Step 6: Final answer
    x = 145,086.06

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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.