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Finding the Fourth Proportional to 219,624.70, 329,546.40 and 124,927.60

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Solution

The fourth proportional to 219,624.70, 329,546.40 and 124,927.60 is: 187,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,624.70 : 329,546.40 = 124,927.60 : x
  2. Step 2: Convert to fraction form
    219,624.70/329,546.40 = 124,927.60/x
  3. Step 3: Cross multiply
    219,624.70x = 329,546.40 × 124,927.60
  4. Step 4: Simplify right side
    219,624.70x = 41,169,440,840.64
  5. Step 5: Solve for x
    x = 41,169,440,840.64/219,624.70
  6. Step 6: Final answer
    x = 187,453.60

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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.