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Finding the Fourth Proportional to 179,560.80, 269,114.40 and 90,838.80

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Solution

The fourth proportional to 179,560.80, 269,114.40 and 90,838.80 is: 136,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,560.80 : 269,114.40 = 90,838.80 : x
  2. Step 2: Convert to fraction form
    179,560.80/269,114.40 = 90,838.80/x
  3. Step 3: Cross multiply
    179,560.80x = 269,114.40 × 90,838.80
  4. Step 4: Simplify right side
    179,560.80x = 24,446,029,158.72
  5. Step 5: Solve for x
    x = 24,446,029,158.72/179,560.80
  6. Step 6: Final answer
    x = 136,143.46

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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.