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Finding the Fourth Proportional to 180,106.67, 270,160.01 and 69,272.75

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Solution

The fourth proportional to 180,106.67, 270,160.01 and 69,272.75 is: 103,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,106.67 : 270,160.01 = 69,272.75 : x
  2. Step 2: Convert to fraction form
    180,106.67/270,160.01 = 69,272.75/x
  3. Step 3: Cross multiply
    180,106.67x = 270,160.01 × 69,272.75
  4. Step 4: Simplify right side
    180,106.67x = 18,714,726,832.73
  5. Step 5: Solve for x
    x = 18,714,726,832.73/180,106.67
  6. Step 6: Final answer
    x = 103,909.13

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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.