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Finding the Fourth Proportional to 101,438.92, 152,194.40 and 45,273.92

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Solution

The fourth proportional to 101,438.92, 152,194.40 and 45,273.92 is: 67,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,438.92 : 152,194.40 = 45,273.92 : x
  2. Step 2: Convert to fraction form
    101,438.92/152,194.40 = 45,273.92/x
  3. Step 3: Cross multiply
    101,438.92x = 152,194.40 × 45,273.92
  4. Step 4: Simplify right side
    101,438.92x = 6,890,437,090.05
  5. Step 5: Solve for x
    x = 6,890,437,090.05/101,438.92
  6. Step 6: Final answer
    x = 67,926.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.