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Finding the Fourth Proportional to 101,493.74, 140,045.76 and 58,464.83

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Solution

The fourth proportional to 101,493.74, 140,045.76 and 58,464.83 is: 80,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,493.74 : 140,045.76 = 58,464.83 : x
  2. Step 2: Convert to fraction form
    101,493.74/140,045.76 = 58,464.83/x
  3. Step 3: Cross multiply
    101,493.74x = 140,045.76 × 58,464.83
  4. Step 4: Simplify right side
    101,493.74x = 8,187,751,550.62
  5. Step 5: Solve for x
    x = 8,187,751,550.62/101,493.74
  6. Step 6: Final answer
    x = 80,672.48

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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.