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Finding the Fourth Proportional to 180,567.76, 270,776.76 and 68,228.56

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Solution

The fourth proportional to 180,567.76, 270,776.76 and 68,228.56 is: 102,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,567.76 : 270,776.76 = 68,228.56 : x
  2. Step 2: Convert to fraction form
    180,567.76/270,776.76 = 68,228.56/x
  3. Step 3: Cross multiply
    180,567.76x = 270,776.76 × 68,228.56
  4. Step 4: Simplify right side
    180,567.76x = 18,474,708,416.27
  5. Step 5: Solve for x
    x = 18,474,708,416.27/180,567.76
  6. Step 6: Final answer
    x = 102,314.55

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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.