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Finding the Fourth Proportional to 180,479.83, 270,985.88 and 100,673.73

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Solution

The fourth proportional to 180,479.83, 270,985.88 and 100,673.73 is: 151,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,479.83 : 270,985.88 = 100,673.73 : x
  2. Step 2: Convert to fraction form
    180,479.83/270,985.88 = 100,673.73/x
  3. Step 3: Cross multiply
    180,479.83x = 270,985.88 × 100,673.73
  4. Step 4: Simplify right side
    180,479.83x = 27,281,158,813.56
  5. Step 5: Solve for x
    x = 27,281,158,813.56/180,479.83
  6. Step 6: Final answer
    x = 151,159.05

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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.