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Finding the Fourth Proportional to 101,992.91, 152,984.68 and 35,438.24

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Solution

The fourth proportional to 101,992.91, 152,984.68 and 35,438.24 is: 53,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.91 : 152,984.68 = 35,438.24 : x
  2. Step 2: Convert to fraction form
    101,992.91/152,984.68 = 35,438.24/x
  3. Step 3: Cross multiply
    101,992.91x = 152,984.68 × 35,438.24
  4. Step 4: Simplify right side
    101,992.91x = 5,421,508,299.37
  5. Step 5: Solve for x
    x = 5,421,508,299.37/101,992.91
  6. Step 6: Final answer
    x = 53,155.74

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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.