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Finding the Fourth Proportional to 149,606.40, 224,222.49 and 74,747.51

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Solution

The fourth proportional to 149,606.40, 224,222.49 and 74,747.51 is: 112,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,606.40 : 224,222.49 = 74,747.51 : x
  2. Step 2: Convert to fraction form
    149,606.40/224,222.49 = 74,747.51/x
  3. Step 3: Cross multiply
    149,606.40x = 224,222.49 × 74,747.51
  4. Step 4: Simplify right side
    149,606.40x = 16,760,072,813.50
  5. Step 5: Solve for x
    x = 16,760,072,813.50/149,606.40
  6. Step 6: Final answer
    x = 112,027.78

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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.