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Finding the Fourth Proportional to 180,708.40, 270,803.40 and 132,950.80

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Solution

The fourth proportional to 180,708.40, 270,803.40 and 132,950.80 is: 199,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,708.40 : 270,803.40 = 132,950.80 : x
  2. Step 2: Convert to fraction form
    180,708.40/270,803.40 = 132,950.80/x
  3. Step 3: Cross multiply
    180,708.40x = 270,803.40 × 132,950.80
  4. Step 4: Simplify right side
    180,708.40x = 36,003,528,672.72
  5. Step 5: Solve for x
    x = 36,003,528,672.72/180,708.40
  6. Step 6: Final answer
    x = 199,235.50

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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.