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Finding the Fourth Proportional to 216,924.48, 326,016.48 and 143,519.04

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Solution

The fourth proportional to 216,924.48, 326,016.48 and 143,519.04 is: 215,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,924.48 : 326,016.48 = 143,519.04 : x
  2. Step 2: Convert to fraction form
    216,924.48/326,016.48 = 143,519.04/x
  3. Step 3: Cross multiply
    216,924.48x = 326,016.48 × 143,519.04
  4. Step 4: Simplify right side
    216,924.48x = 46,789,572,233.78
  5. Step 5: Solve for x
    x = 46,789,572,233.78/216,924.48
  6. Step 6: Final answer
    x = 215,695.21

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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.