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Finding the Fourth Proportional to 101,672.28, 140,294.43 and 58,653.38

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Solution

The fourth proportional to 101,672.28, 140,294.43 and 58,653.38 is: 80,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,672.28 : 140,294.43 = 58,653.38 : x
  2. Step 2: Convert to fraction form
    101,672.28/140,294.43 = 58,653.38/x
  3. Step 3: Cross multiply
    101,672.28x = 140,294.43 × 58,653.38
  4. Step 4: Simplify right side
    101,672.28x = 8,228,742,865.41
  5. Step 5: Solve for x
    x = 8,228,742,865.41/101,672.28
  6. Step 6: Final answer
    x = 80,933.99

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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.