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Finding the Fourth Proportional to 92,793.92, 128,055.02 and 50,351.54

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Solution

The fourth proportional to 92,793.92, 128,055.02 and 50,351.54 is: 69,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,793.92 : 128,055.02 = 50,351.54 : x
  2. Step 2: Convert to fraction form
    92,793.92/128,055.02 = 50,351.54/x
  3. Step 3: Cross multiply
    92,793.92x = 128,055.02 × 50,351.54
  4. Step 4: Simplify right side
    92,793.92x = 6,447,767,461.73
  5. Step 5: Solve for x
    x = 6,447,767,461.73/92,793.92
  6. Step 6: Final answer
    x = 69,484.81

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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.