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Finding the Fourth Proportional to 126,047.51, 173,944.62 and 69,458.88

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Solution

The fourth proportional to 126,047.51, 173,944.62 and 69,458.88 is: 95,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.51 : 173,944.62 = 69,458.88 : x
  2. Step 2: Convert to fraction form
    126,047.51/173,944.62 = 69,458.88/x
  3. Step 3: Cross multiply
    126,047.51x = 173,944.62 × 69,458.88
  4. Step 4: Simplify right side
    126,047.51x = 12,081,998,487.23
  5. Step 5: Solve for x
    x = 12,081,998,487.23/126,047.51
  6. Step 6: Final answer
    x = 95,852.74

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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.