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Finding the Fourth Proportional to 94,986, 131,069.34 and 52,538.76

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Solution

The fourth proportional to 94,986, 131,069.34 and 52,538.76 is: 72,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,986 : 131,069.34 = 52,538.76 : x
  2. Step 2: Convert to fraction form
    94,986/131,069.34 = 52,538.76/x
  3. Step 3: Cross multiply
    94,986x = 131,069.34 × 52,538.76
  4. Step 4: Simplify right side
    94,986x = 6,886,220,597.62
  5. Step 5: Solve for x
    x = 6,886,220,597.62/94,986
  6. Step 6: Final answer
    x = 72,497.22

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Double scale
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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.