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Finding the Fourth Proportional to 216,793.04, 324,967.19 and 83,620.94

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Solution

The fourth proportional to 216,793.04, 324,967.19 and 83,620.94 is: 125,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,793.04 : 324,967.19 = 83,620.94 : x
  2. Step 2: Convert to fraction form
    216,793.04/324,967.19 = 83,620.94/x
  3. Step 3: Cross multiply
    216,793.04x = 324,967.19 × 83,620.94
  4. Step 4: Simplify right side
    216,793.04x = 27,174,059,854.02
  5. Step 5: Solve for x
    x = 27,174,059,854.02/216,793.04
  6. Step 6: Final answer
    x = 125,345.63

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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.