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Finding the Fourth Proportional to 92,705.79, 127,932.84 and 50,264.22

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Solution

The fourth proportional to 92,705.79, 127,932.84 and 50,264.22 is: 69,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,705.79 : 127,932.84 = 50,264.22 : x
  2. Step 2: Convert to fraction form
    92,705.79/127,932.84 = 50,264.22/x
  3. Step 3: Cross multiply
    92,705.79x = 127,932.84 × 50,264.22
  4. Step 4: Simplify right side
    92,705.79x = 6,430,444,414.98
  5. Step 5: Solve for x
    x = 6,430,444,414.98/92,705.79
  6. Step 6: Final answer
    x = 69,364.00

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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.