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Finding the Fourth Proportional to 259,096.30, 388,644.48 and 101,214.04

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Solution

The fourth proportional to 259,096.30, 388,644.48 and 101,214.04 is: 151,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,096.30 : 388,644.48 = 101,214.04 : x
  2. Step 2: Convert to fraction form
    259,096.30/388,644.48 = 101,214.04/x
  3. Step 3: Cross multiply
    259,096.30x = 388,644.48 × 101,214.04
  4. Step 4: Simplify right side
    259,096.30x = 39,336,277,944.50
  5. Step 5: Solve for x
    x = 39,336,277,944.50/259,096.30
  6. Step 6: Final answer
    x = 151,821.07

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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.