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Finding the Fourth Proportional to 179,675.60, 269,475.60 and 90,845.60

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Solution

The fourth proportional to 179,675.60, 269,475.60 and 90,845.60 is: 136,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,675.60 : 269,475.60 = 90,845.60 : x
  2. Step 2: Convert to fraction form
    179,675.60/269,475.60 = 90,845.60/x
  3. Step 3: Cross multiply
    179,675.60x = 269,475.60 × 90,845.60
  4. Step 4: Simplify right side
    179,675.60x = 24,480,672,567.36
  5. Step 5: Solve for x
    x = 24,480,672,567.36/179,675.60
  6. Step 6: Final answer
    x = 136,249.29

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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.