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Finding the Fourth Proportional to 211,673.48, 292,057.79 and 119,794.88

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Solution

The fourth proportional to 211,673.48, 292,057.79 and 119,794.88 is: 165,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,673.48 : 292,057.79 = 119,794.88 : x
  2. Step 2: Convert to fraction form
    211,673.48/292,057.79 = 119,794.88/x
  3. Step 3: Cross multiply
    211,673.48x = 292,057.79 × 119,794.88
  4. Step 4: Simplify right side
    211,673.48x = 34,987,028,037.29
  5. Step 5: Solve for x
    x = 34,987,028,037.29/211,673.48
  6. Step 6: Final answer
    x = 165,287.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.