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Finding the Fourth Proportional to 216,191.89, 298,372.34 and 125,529.81

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Solution

The fourth proportional to 216,191.89, 298,372.34 and 125,529.81 is: 173,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,191.89 : 298,372.34 = 125,529.81 : x
  2. Step 2: Convert to fraction form
    216,191.89/298,372.34 = 125,529.81/x
  3. Step 3: Cross multiply
    216,191.89x = 298,372.34 × 125,529.81
  4. Step 4: Simplify right side
    216,191.89x = 37,454,623,149.46
  5. Step 5: Solve for x
    x = 37,454,623,149.46/216,191.89
  6. Step 6: Final answer
    x = 173,247.12

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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.