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Finding the Fourth Proportional to 180,174.64, 270,220.62 and 67,866.52

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Solution

The fourth proportional to 180,174.64, 270,220.62 and 67,866.52 is: 101,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,174.64 : 270,220.62 = 67,866.52 : x
  2. Step 2: Convert to fraction form
    180,174.64/270,220.62 = 67,866.52/x
  3. Step 3: Cross multiply
    180,174.64x = 270,220.62 × 67,866.52
  4. Step 4: Simplify right side
    180,174.64x = 18,338,933,111.64
  5. Step 5: Solve for x
    x = 18,338,933,111.64/180,174.64
  6. Step 6: Final answer
    x = 101,784.21

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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.