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Finding the Fourth Proportional to 126,634.86, 174,749.94 and 69,277.14

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Solution

The fourth proportional to 126,634.86, 174,749.94 and 69,277.14 is: 95,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,634.86 : 174,749.94 = 69,277.14 : x
  2. Step 2: Convert to fraction form
    126,634.86/174,749.94 = 69,277.14/x
  3. Step 3: Cross multiply
    126,634.86x = 174,749.94 × 69,277.14
  4. Step 4: Simplify right side
    126,634.86x = 12,106,176,058.37
  5. Step 5: Solve for x
    x = 12,106,176,058.37/126,634.86
  6. Step 6: Final answer
    x = 95,599.08

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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.