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Finding the Fourth Proportional to 196,499.88, 294,785.46 and 112,354.92

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Solution

The fourth proportional to 196,499.88, 294,785.46 and 112,354.92 is: 168,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,499.88 : 294,785.46 = 112,354.92 : x
  2. Step 2: Convert to fraction form
    196,499.88/294,785.46 = 112,354.92/x
  3. Step 3: Cross multiply
    196,499.88x = 294,785.46 × 112,354.92
  4. Step 4: Simplify right side
    196,499.88x = 33,120,596,775.46
  5. Step 5: Solve for x
    x = 33,120,596,775.46/196,499.88
  6. Step 6: Final answer
    x = 168,552.76

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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.