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Finding the Fourth Proportional to 235,361.37, 324,800.88 and 127,931.67

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Solution

The fourth proportional to 235,361.37, 324,800.88 and 127,931.67 is: 176,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,361.37 : 324,800.88 = 127,931.67 : x
  2. Step 2: Convert to fraction form
    235,361.37/324,800.88 = 127,931.67/x
  3. Step 3: Cross multiply
    235,361.37x = 324,800.88 × 127,931.67
  4. Step 4: Simplify right side
    235,361.37x = 41,552,318,995.87
  5. Step 5: Solve for x
    x = 41,552,318,995.87/235,361.37
  6. Step 6: Final answer
    x = 176,546.89

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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.