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Finding the Fourth Proportional to 92,767.92, 128,020.08 and 50,326.56

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Solution

The fourth proportional to 92,767.92, 128,020.08 and 50,326.56 is: 69,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.92 : 128,020.08 = 50,326.56 : x
  2. Step 2: Convert to fraction form
    92,767.92/128,020.08 = 50,326.56/x
  3. Step 3: Cross multiply
    92,767.92x = 128,020.08 × 50,326.56
  4. Step 4: Simplify right side
    92,767.92x = 6,442,810,237.32
  5. Step 5: Solve for x
    x = 6,442,810,237.32/92,767.92
  6. Step 6: Final answer
    x = 69,450.84

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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.