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Finding the Fourth Proportional to 92,633.72, 127,834.64 and 50,192.20

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Solution

The fourth proportional to 92,633.72, 127,834.64 and 50,192.20 is: 69,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,633.72 : 127,834.64 = 50,192.20 : x
  2. Step 2: Convert to fraction form
    92,633.72/127,834.64 = 50,192.20/x
  3. Step 3: Cross multiply
    92,633.72x = 127,834.64 × 50,192.20
  4. Step 4: Simplify right side
    92,633.72x = 6,416,301,817.81
  5. Step 5: Solve for x
    x = 6,416,301,817.81/92,633.72
  6. Step 6: Final answer
    x = 69,265.29

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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.