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Finding the Fourth Proportional to 216,770.96, 325,260.12 and 76,595.60

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Solution

The fourth proportional to 216,770.96, 325,260.12 and 76,595.60 is: 114,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,770.96 : 325,260.12 = 76,595.60 : x
  2. Step 2: Convert to fraction form
    216,770.96/325,260.12 = 76,595.60/x
  3. Step 3: Cross multiply
    216,770.96x = 325,260.12 × 76,595.60
  4. Step 4: Simplify right side
    216,770.96x = 24,913,494,047.47
  5. Step 5: Solve for x
    x = 24,913,494,047.47/216,770.96
  6. Step 6: Final answer
    x = 114,930.04

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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.