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Finding the Fourth Proportional to 92,844.88, 128,127.48 and 50,403.41

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Solution

The fourth proportional to 92,844.88, 128,127.48 and 50,403.41 is: 69,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.88 : 128,127.48 = 50,403.41 : x
  2. Step 2: Convert to fraction form
    92,844.88/128,127.48 = 50,403.41/x
  3. Step 3: Cross multiply
    92,844.88x = 128,127.48 × 50,403.41
  4. Step 4: Simplify right side
    92,844.88x = 6,458,061,906.71
  5. Step 5: Solve for x
    x = 6,458,061,906.71/92,844.88
  6. Step 6: Final answer
    x = 69,557.54

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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.