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Finding the Fourth Proportional to 76,464.67, 105,620.48 and 58,204.44

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Solution

The fourth proportional to 76,464.67, 105,620.48 and 58,204.44 is: 80,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464.67 : 105,620.48 = 58,204.44 : x
  2. Step 2: Convert to fraction form
    76,464.67/105,620.48 = 58,204.44/x
  3. Step 3: Cross multiply
    76,464.67x = 105,620.48 × 58,204.44
  4. Step 4: Simplify right side
    76,464.67x = 6,147,580,890.93
  5. Step 5: Solve for x
    x = 6,147,580,890.93/76,464.67
  6. Step 6: Final answer
    x = 80,397.66

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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.