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Finding the Fourth Proportional to 126,608.86, 174,713.16 and 69,236.86

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Solution

The fourth proportional to 126,608.86, 174,713.16 and 69,236.86 is: 95,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,608.86 : 174,713.16 = 69,236.86 : x
  2. Step 2: Convert to fraction form
    126,608.86/174,713.16 = 69,236.86/x
  3. Step 3: Cross multiply
    126,608.86x = 174,713.16 × 69,236.86
  4. Step 4: Simplify right side
    126,608.86x = 12,096,590,599.08
  5. Step 5: Solve for x
    x = 12,096,590,599.08/126,608.86
  6. Step 6: Final answer
    x = 95,543.00

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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.