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Finding the Fourth Proportional to 168,341.46, 232,311.09 and 107,912.07

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Solution

The fourth proportional to 168,341.46, 232,311.09 and 107,912.07 is: 148,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,341.46 : 232,311.09 = 107,912.07 : x
  2. Step 2: Convert to fraction form
    168,341.46/232,311.09 = 107,912.07/x
  3. Step 3: Cross multiply
    168,341.46x = 232,311.09 × 107,912.07
  4. Step 4: Simplify right side
    168,341.46x = 25,069,170,605.86
  5. Step 5: Solve for x
    x = 25,069,170,605.86/168,341.46
  6. Step 6: Final answer
    x = 148,918.58

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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.