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Finding the Fourth Proportional to 234,989.70, 324,284.76 and 127,558.86

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Solution

The fourth proportional to 234,989.70, 324,284.76 and 127,558.86 is: 176,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,989.70 : 324,284.76 = 127,558.86 : x
  2. Step 2: Convert to fraction form
    234,989.70/324,284.76 = 127,558.86/x
  3. Step 3: Cross multiply
    234,989.70x = 324,284.76 × 127,558.86
  4. Step 4: Simplify right side
    234,989.70x = 41,365,394,300.97
  5. Step 5: Solve for x
    x = 41,365,394,300.97/234,989.70
  6. Step 6: Final answer
    x = 176,030.67

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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.