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Finding the Fourth Proportional to 168,402.36, 232,380.54 and 107,866.20

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Solution

The fourth proportional to 168,402.36, 232,380.54 and 107,866.20 is: 148,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402.36 : 232,380.54 = 107,866.20 : x
  2. Step 2: Convert to fraction form
    168,402.36/232,380.54 = 107,866.20/x
  3. Step 3: Cross multiply
    168,402.36x = 232,380.54 × 107,866.20
  4. Step 4: Simplify right side
    168,402.36x = 25,066,005,803.75
  5. Step 5: Solve for x
    x = 25,066,005,803.75/168,402.36
  6. Step 6: Final answer
    x = 148,845.93

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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.