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Finding the Fourth Proportional to 216,119.08, 298,245.06 and 120,624.04

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Solution

The fourth proportional to 216,119.08, 298,245.06 and 120,624.04 is: 166,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,119.08 : 298,245.06 = 120,624.04 : x
  2. Step 2: Convert to fraction form
    216,119.08/298,245.06 = 120,624.04/x
  3. Step 3: Cross multiply
    216,119.08x = 298,245.06 × 120,624.04
  4. Step 4: Simplify right side
    216,119.08x = 35,975,524,047.24
  5. Step 5: Solve for x
    x = 35,975,524,047.24/216,119.08
  6. Step 6: Final answer
    x = 166,461.58

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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.