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Finding the Fourth Proportional to 92,296.80, 127,364.40 and 54,583.20

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Solution

The fourth proportional to 92,296.80, 127,364.40 and 54,583.20 is: 75,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,296.80 : 127,364.40 = 54,583.20 : x
  2. Step 2: Convert to fraction form
    92,296.80/127,364.40 = 54,583.20/x
  3. Step 3: Cross multiply
    92,296.80x = 127,364.40 × 54,583.20
  4. Step 4: Simplify right side
    92,296.80x = 6,951,956,518.08
  5. Step 5: Solve for x
    x = 6,951,956,518.08/92,296.80
  6. Step 6: Final answer
    x = 75,321.75

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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.