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Finding the Fourth Proportional to 221,790.48, 332,089.56 and 168,948.24

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Solution

The fourth proportional to 221,790.48, 332,089.56 and 168,948.24 is: 252,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,790.48 : 332,089.56 = 168,948.24 : x
  2. Step 2: Convert to fraction form
    221,790.48/332,089.56 = 168,948.24/x
  3. Step 3: Cross multiply
    221,790.48x = 332,089.56 × 168,948.24
  4. Step 4: Simplify right side
    221,790.48x = 56,105,946,684.37
  5. Step 5: Solve for x
    x = 56,105,946,684.37/221,790.48
  6. Step 6: Final answer
    x = 252,968.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.