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Finding the Fourth Proportional to 216,093.96, 298,197.52 and 120,606.80

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Solution

The fourth proportional to 216,093.96, 298,197.52 and 120,606.80 is: 166,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,093.96 : 298,197.52 = 120,606.80 : x
  2. Step 2: Convert to fraction form
    216,093.96/298,197.52 = 120,606.80/x
  3. Step 3: Cross multiply
    216,093.96x = 298,197.52 × 120,606.80
  4. Step 4: Simplify right side
    216,093.96x = 35,964,646,862.63
  5. Step 5: Solve for x
    x = 35,964,646,862.63/216,093.96
  6. Step 6: Final answer
    x = 166,430.60

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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.