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Finding the Fourth Proportional to 259,096.39, 388,644.59 and 101,214.13

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Solution

The fourth proportional to 259,096.39, 388,644.59 and 101,214.13 is: 151,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,096.39 : 388,644.59 = 101,214.13 : x
  2. Step 2: Convert to fraction form
    259,096.39/388,644.59 = 101,214.13/x
  3. Step 3: Cross multiply
    259,096.39x = 388,644.59 × 101,214.13
  4. Step 4: Simplify right side
    259,096.39x = 39,336,324,056.06
  5. Step 5: Solve for x
    x = 39,336,324,056.06/259,096.39
  6. Step 6: Final answer
    x = 151,821.20

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Similar ratio
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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.