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Finding the Fourth Proportional to 180,374.96, 270,626.84 and 80,526.26

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Solution

The fourth proportional to 180,374.96, 270,626.84 and 80,526.26 is: 120,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,374.96 : 270,626.84 = 80,526.26 : x
  2. Step 2: Convert to fraction form
    180,374.96/270,626.84 = 80,526.26/x
  3. Step 3: Cross multiply
    180,374.96x = 270,626.84 × 80,526.26
  4. Step 4: Simplify right side
    180,374.96x = 21,792,567,280.82
  5. Step 5: Solve for x
    x = 21,792,567,280.82/180,374.96
  6. Step 6: Final answer
    x = 120,818.14

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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.