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Finding the Fourth Proportional to 216,447.46, 298,693.10 and 119,655.39

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Solution

The fourth proportional to 216,447.46, 298,693.10 and 119,655.39 is: 165,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,447.46 : 298,693.10 = 119,655.39 : x
  2. Step 2: Convert to fraction form
    216,447.46/298,693.10 = 119,655.39/x
  3. Step 3: Cross multiply
    216,447.46x = 298,693.10 × 119,655.39
  4. Step 4: Simplify right side
    216,447.46x = 35,740,240,790.05
  5. Step 5: Solve for x
    x = 35,740,240,790.05/216,447.46
  6. Step 6: Final answer
    x = 165,122.02

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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.