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Finding the Fourth Proportional to 92,647.96, 127,850.80 and 50,205.60

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Solution

The fourth proportional to 92,647.96, 127,850.80 and 50,205.60 is: 69,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,647.96 : 127,850.80 = 50,205.60 : x
  2. Step 2: Convert to fraction form
    92,647.96/127,850.80 = 50,205.60/x
  3. Step 3: Cross multiply
    92,647.96x = 127,850.80 × 50,205.60
  4. Step 4: Simplify right side
    92,647.96x = 6,418,826,124.48
  5. Step 5: Solve for x
    x = 6,418,826,124.48/92,647.96
  6. Step 6: Final answer
    x = 69,281.89

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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.