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Finding the Fourth Proportional to 194,857.80, 292,286.70 and 189,025.80

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Solution

The fourth proportional to 194,857.80, 292,286.70 and 189,025.80 is: 283,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,857.80 : 292,286.70 = 189,025.80 : x
  2. Step 2: Convert to fraction form
    194,857.80/292,286.70 = 189,025.80/x
  3. Step 3: Cross multiply
    194,857.80x = 292,286.70 × 189,025.80
  4. Step 4: Simplify right side
    194,857.80x = 55,249,727,296.86
  5. Step 5: Solve for x
    x = 55,249,727,296.86/194,857.80
  6. Step 6: Final answer
    x = 283,538.70

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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.