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Finding the Fourth Proportional to 180,460.19, 270,597.01 and 79,216.80

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Solution

The fourth proportional to 180,460.19, 270,597.01 and 79,216.80 is: 118,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,460.19 : 270,597.01 = 79,216.80 : x
  2. Step 2: Convert to fraction form
    180,460.19/270,597.01 = 79,216.80/x
  3. Step 3: Cross multiply
    180,460.19x = 270,597.01 × 79,216.80
  4. Step 4: Simplify right side
    180,460.19x = 21,435,829,023.73
  5. Step 5: Solve for x
    x = 21,435,829,023.73/180,460.19
  6. Step 6: Final answer
    x = 118,784.26

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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.