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Finding the Fourth Proportional to 104,329.28, 156,525.12 and 73,992.88

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Solution

The fourth proportional to 104,329.28, 156,525.12 and 73,992.88 is: 111,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,329.28 : 156,525.12 = 73,992.88 : x
  2. Step 2: Convert to fraction form
    104,329.28/156,525.12 = 73,992.88/x
  3. Step 3: Cross multiply
    104,329.28x = 156,525.12 × 73,992.88
  4. Step 4: Simplify right side
    104,329.28x = 11,581,744,421.15
  5. Step 5: Solve for x
    x = 11,581,744,421.15/104,329.28
  6. Step 6: Final answer
    x = 111,011.45

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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.