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Finding the Fourth Proportional to 92,556, 127,744.56 and 52,812

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Solution

The fourth proportional to 92,556, 127,744.56 and 52,812 is: 72,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556 : 127,744.56 = 52,812 : x
  2. Step 2: Convert to fraction form
    92,556/127,744.56 = 52,812/x
  3. Step 3: Cross multiply
    92,556x = 127,744.56 × 52,812
  4. Step 4: Simplify right side
    92,556x = 6,746,445,702.72
  5. Step 5: Solve for x
    x = 6,746,445,702.72/92,556
  6. Step 6: Final answer
    x = 72,890.42

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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.