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Finding the Fourth Proportional to 216,504.01, 298,789.55 and 121,014.73

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Solution

The fourth proportional to 216,504.01, 298,789.55 and 121,014.73 is: 167,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,504.01 : 298,789.55 = 121,014.73 : x
  2. Step 2: Convert to fraction form
    216,504.01/298,789.55 = 121,014.73/x
  3. Step 3: Cross multiply
    216,504.01x = 298,789.55 × 121,014.73
  4. Step 4: Simplify right side
    216,504.01x = 36,157,936,115.00
  5. Step 5: Solve for x
    x = 36,157,936,115.00/216,504.01
  6. Step 6: Final answer
    x = 167,008.16

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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.