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Finding the Fourth Proportional to 92,365.94, 127,276.68 and 63,694.34

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Solution

The fourth proportional to 92,365.94, 127,276.68 and 63,694.34 is: 87,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365.94 : 127,276.68 = 63,694.34 : x
  2. Step 2: Convert to fraction form
    92,365.94/127,276.68 = 63,694.34/x
  3. Step 3: Cross multiply
    92,365.94x = 127,276.68 × 63,694.34
  4. Step 4: Simplify right side
    92,365.94x = 8,106,804,129.99
  5. Step 5: Solve for x
    x = 8,106,804,129.99/92,365.94
  6. Step 6: Final answer
    x = 87,768.33

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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.