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Finding the Fourth Proportional to 91,703.86, 126,504.75 and 59,891.38

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Solution

The fourth proportional to 91,703.86, 126,504.75 and 59,891.38 is: 82,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.86 : 126,504.75 = 59,891.38 : x
  2. Step 2: Convert to fraction form
    91,703.86/126,504.75 = 59,891.38/x
  3. Step 3: Cross multiply
    91,703.86x = 126,504.75 × 59,891.38
  4. Step 4: Simplify right side
    91,703.86x = 7,576,544,054.06
  5. Step 5: Solve for x
    x = 7,576,544,054.06/91,703.86
  6. Step 6: Final answer
    x = 82,619.69

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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.