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Finding the Fourth Proportional to 234,825.70, 324,059.60 and 127,395.74

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Solution

The fourth proportional to 234,825.70, 324,059.60 and 127,395.74 is: 175,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,825.70 : 324,059.60 = 127,395.74 : x
  2. Step 2: Convert to fraction form
    234,825.70/324,059.60 = 127,395.74/x
  3. Step 3: Cross multiply
    234,825.70x = 324,059.60 × 127,395.74
  4. Step 4: Simplify right side
    234,825.70x = 41,283,812,546.10
  5. Step 5: Solve for x
    x = 41,283,812,546.10/234,825.70
  6. Step 6: Final answer
    x = 175,806.19

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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.