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Finding the Fourth Proportional to 211,635.01, 317,462.23 and 53,864.83

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Solution

The fourth proportional to 211,635.01, 317,462.23 and 53,864.83 is: 80,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,635.01 : 317,462.23 = 53,864.83 : x
  2. Step 2: Convert to fraction form
    211,635.01/317,462.23 = 53,864.83/x
  3. Step 3: Cross multiply
    211,635.01x = 317,462.23 × 53,864.83
  4. Step 4: Simplify right side
    211,635.01x = 17,100,047,463.06
  5. Step 5: Solve for x
    x = 17,100,047,463.06/211,635.01
  6. Step 6: Final answer
    x = 80,799.71

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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.