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Finding the Fourth Proportional to 92,844.50, 128,125.50 and 50,403.02

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Solution

The fourth proportional to 92,844.50, 128,125.50 and 50,403.02 is: 69,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.50 : 128,125.50 = 50,403.02 : x
  2. Step 2: Convert to fraction form
    92,844.50/128,125.50 = 50,403.02/x
  3. Step 3: Cross multiply
    92,844.50x = 128,125.50 × 50,403.02
  4. Step 4: Simplify right side
    92,844.50x = 6,457,912,139.01
  5. Step 5: Solve for x
    x = 6,457,912,139.01/92,844.50
  6. Step 6: Final answer
    x = 69,556.22

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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.