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Finding the Fourth Proportional to 235,443.74, 353,165.61 and 69,231.74

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Solution

The fourth proportional to 235,443.74, 353,165.61 and 69,231.74 is: 103,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,443.74 : 353,165.61 = 69,231.74 : x
  2. Step 2: Convert to fraction form
    235,443.74/353,165.61 = 69,231.74/x
  3. Step 3: Cross multiply
    235,443.74x = 353,165.61 × 69,231.74
  4. Step 4: Simplify right side
    235,443.74x = 24,450,267,922.63
  5. Step 5: Solve for x
    x = 24,450,267,922.63/235,443.74
  6. Step 6: Final answer
    x = 103,847.60

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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.