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Finding the Fourth Proportional to 127,295.78, 175,670.96 and 69,935.84

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Solution

The fourth proportional to 127,295.78, 175,670.96 and 69,935.84 is: 96,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.78 : 175,670.96 = 69,935.84 : x
  2. Step 2: Convert to fraction form
    127,295.78/175,670.96 = 69,935.84/x
  3. Step 3: Cross multiply
    127,295.78x = 175,670.96 × 69,935.84
  4. Step 4: Simplify right side
    127,295.78x = 12,285,694,923.17
  5. Step 5: Solve for x
    x = 12,285,694,923.17/127,295.78
  6. Step 6: Final answer
    x = 96,512.98

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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.