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Finding the Fourth Proportional to 92,359.34, 127,455.83 and 49,917.87

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Solution

The fourth proportional to 92,359.34, 127,455.83 and 49,917.87 is: 68,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,359.34 : 127,455.83 = 49,917.87 : x
  2. Step 2: Convert to fraction form
    92,359.34/127,455.83 = 49,917.87/x
  3. Step 3: Cross multiply
    92,359.34x = 127,455.83 × 49,917.87
  4. Step 4: Simplify right side
    92,359.34x = 6,362,323,490.28
  5. Step 5: Solve for x
    x = 6,362,323,490.28/92,359.34
  6. Step 6: Final answer
    x = 68,886.63

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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.