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Finding the Fourth Proportional to 92,561.64, 127,734.87 and 50,120.29

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Solution

The fourth proportional to 92,561.64, 127,734.87 and 50,120.29 is: 69,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,561.64 : 127,734.87 = 50,120.29 : x
  2. Step 2: Convert to fraction form
    92,561.64/127,734.87 = 50,120.29/x
  3. Step 3: Cross multiply
    92,561.64x = 127,734.87 × 50,120.29
  4. Step 4: Simplify right side
    92,561.64x = 6,402,108,727.51
  5. Step 5: Solve for x
    x = 6,402,108,727.51/92,561.64
  6. Step 6: Final answer
    x = 69,165.90

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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.