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Finding the Fourth Proportional to 182,678.40, 273,758.40 and 134,920.80

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Solution

The fourth proportional to 182,678.40, 273,758.40 and 134,920.80 is: 202,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,678.40 : 273,758.40 = 134,920.80 : x
  2. Step 2: Convert to fraction form
    182,678.40/273,758.40 = 134,920.80/x
  3. Step 3: Cross multiply
    182,678.40x = 273,758.40 × 134,920.80
  4. Step 4: Simplify right side
    182,678.40x = 36,935,702,334.72
  5. Step 5: Solve for x
    x = 36,935,702,334.72/182,678.40
  6. Step 6: Final answer
    x = 202,189.76

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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.