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Finding the Fourth Proportional to 235,457.24, 353,185.85 and 69,245.24

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Solution

The fourth proportional to 235,457.24, 353,185.85 and 69,245.24 is: 103,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,457.24 : 353,185.85 = 69,245.24 : x
  2. Step 2: Convert to fraction form
    235,457.24/353,185.85 = 69,245.24/x
  3. Step 3: Cross multiply
    235,457.24x = 353,185.85 × 69,245.24
  4. Step 4: Simplify right side
    235,457.24x = 24,456,438,947.85
  5. Step 5: Solve for x
    x = 24,456,438,947.85/235,457.24
  6. Step 6: Final answer
    x = 103,867.86

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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.