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Finding the Fourth Proportional to 92,620.81, 127,817.32 and 50,179.34

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Solution

The fourth proportional to 92,620.81, 127,817.32 and 50,179.34 is: 69,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.81 : 127,817.32 = 50,179.34 : x
  2. Step 2: Convert to fraction form
    92,620.81/127,817.32 = 50,179.34/x
  3. Step 3: Cross multiply
    92,620.81x = 127,817.32 × 50,179.34
  4. Step 4: Simplify right side
    92,620.81x = 6,413,788,119.08
  5. Step 5: Solve for x
    x = 6,413,788,119.08/92,620.81
  6. Step 6: Final answer
    x = 69,247.81

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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.