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Finding the Fourth Proportional to 92,735.43, 127,927.80 and 58,686.54

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Solution

The fourth proportional to 92,735.43, 127,927.80 and 58,686.54 is: 80,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,735.43 : 127,927.80 = 58,686.54 : x
  2. Step 2: Convert to fraction form
    92,735.43/127,927.80 = 58,686.54/x
  3. Step 3: Cross multiply
    92,735.43x = 127,927.80 × 58,686.54
  4. Step 4: Simplify right side
    92,735.43x = 7,507,639,951.81
  5. Step 5: Solve for x
    x = 7,507,639,951.81/92,735.43
  6. Step 6: Final answer
    x = 80,957.62

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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.