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Finding the Fourth Proportional to 216,448.79, 298,694.90 and 119,656.73

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Solution

The fourth proportional to 216,448.79, 298,694.90 and 119,656.73 is: 165,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,448.79 : 298,694.90 = 119,656.73 : x
  2. Step 2: Convert to fraction form
    216,448.79/298,694.90 = 119,656.73/x
  3. Step 3: Cross multiply
    216,448.79x = 298,694.90 × 119,656.73
  4. Step 4: Simplify right side
    216,448.79x = 35,740,852,909.92
  5. Step 5: Solve for x
    x = 35,740,852,909.92/216,448.79
  6. Step 6: Final answer
    x = 165,123.83

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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.