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Finding the Fourth Proportional to 225,812.73, 338,719.68 and 76,158.14

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Solution

The fourth proportional to 225,812.73, 338,719.68 and 76,158.14 is: 114,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,812.73 : 338,719.68 = 76,158.14 : x
  2. Step 2: Convert to fraction form
    225,812.73/338,719.68 = 76,158.14/x
  3. Step 3: Cross multiply
    225,812.73x = 338,719.68 × 76,158.14
  4. Step 4: Simplify right side
    225,812.73x = 25,796,259,116.60
  5. Step 5: Solve for x
    x = 25,796,259,116.60/225,812.73
  6. Step 6: Final answer
    x = 114,237.40

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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.