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Finding the Fourth Proportional to 180,417.64, 270,414.25 and 73,735.78

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Solution

The fourth proportional to 180,417.64, 270,414.25 and 73,735.78 is: 110,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,417.64 : 270,414.25 = 73,735.78 : x
  2. Step 2: Convert to fraction form
    180,417.64/270,414.25 = 73,735.78/x
  3. Step 3: Cross multiply
    180,417.64x = 270,414.25 × 73,735.78
  4. Step 4: Simplify right side
    180,417.64x = 19,939,205,646.87
  5. Step 5: Solve for x
    x = 19,939,205,646.87/180,417.64
  6. Step 6: Final answer
    x = 110,516.94

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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.