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Finding the Fourth Proportional to 92,644.76, 127,800.38 and 56,357.32

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Solution

The fourth proportional to 92,644.76, 127,800.38 and 56,357.32 is: 77,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,644.76 : 127,800.38 = 56,357.32 : x
  2. Step 2: Convert to fraction form
    92,644.76/127,800.38 = 56,357.32/x
  3. Step 3: Cross multiply
    92,644.76x = 127,800.38 × 56,357.32
  4. Step 4: Simplify right side
    92,644.76x = 7,202,486,972.80
  5. Step 5: Solve for x
    x = 7,202,486,972.80/92,644.76
  6. Step 6: Final answer
    x = 77,743.06

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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.