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Finding the Fourth Proportional to 92,764.50, 128,015.33 and 50,323.33

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Solution

The fourth proportional to 92,764.50, 128,015.33 and 50,323.33 is: 69,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.50 : 128,015.33 = 50,323.33 : x
  2. Step 2: Convert to fraction form
    92,764.50/128,015.33 = 50,323.33/x
  3. Step 3: Cross multiply
    92,764.50x = 128,015.33 × 50,323.33
  4. Step 4: Simplify right side
    92,764.50x = 6,442,157,445.03
  5. Step 5: Solve for x
    x = 6,442,157,445.03/92,764.50
  6. Step 6: Final answer
    x = 69,446.37

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1.5x scale

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.