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Finding the Fourth Proportional to 174,645.92, 261,885.96 and 79,847.98

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Solution

The fourth proportional to 174,645.92, 261,885.96 and 79,847.98 is: 119,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,645.92 : 261,885.96 = 79,847.98 : x
  2. Step 2: Convert to fraction form
    174,645.92/261,885.96 = 79,847.98/x
  3. Step 3: Cross multiply
    174,645.92x = 261,885.96 × 79,847.98
  4. Step 4: Simplify right side
    174,645.92x = 20,911,064,241.65
  5. Step 5: Solve for x
    x = 20,911,064,241.65/174,645.92
  6. Step 6: Final answer
    x = 119,734.05

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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.