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Finding the Fourth Proportional to 180,267.52, 270,210.60 and 67,899.12

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Solution

The fourth proportional to 180,267.52, 270,210.60 and 67,899.12 is: 101,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,267.52 : 270,210.60 = 67,899.12 : x
  2. Step 2: Convert to fraction form
    180,267.52/270,210.60 = 67,899.12/x
  3. Step 3: Cross multiply
    180,267.52x = 270,210.60 × 67,899.12
  4. Step 4: Simplify right side
    180,267.52x = 18,347,061,954.67
  5. Step 5: Solve for x
    x = 18,347,061,954.67/180,267.52
  6. Step 6: Final answer
    x = 101,776.86

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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.