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Finding the Fourth Proportional to 216,079.43, 324,094.88 and 82,866.23

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Solution

The fourth proportional to 216,079.43, 324,094.88 and 82,866.23 is: 124,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079.43 : 324,094.88 = 82,866.23 : x
  2. Step 2: Convert to fraction form
    216,079.43/324,094.88 = 82,866.23/x
  3. Step 3: Cross multiply
    216,079.43x = 324,094.88 × 82,866.23
  4. Step 4: Simplify right side
    216,079.43x = 26,856,518,833.10
  5. Step 5: Solve for x
    x = 26,856,518,833.10/216,079.43
  6. Step 6: Final answer
    x = 124,290.03

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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.