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Finding the Fourth Proportional to 152,636.70, 228,951.45 and 41,828.70

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Solution

The fourth proportional to 152,636.70, 228,951.45 and 41,828.70 is: 62,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,636.70 : 228,951.45 = 41,828.70 : x
  2. Step 2: Convert to fraction form
    152,636.70/228,951.45 = 41,828.70/x
  3. Step 3: Cross multiply
    152,636.70x = 228,951.45 × 41,828.70
  4. Step 4: Simplify right side
    152,636.70x = 9,576,741,516.62
  5. Step 5: Solve for x
    x = 9,576,741,516.62/152,636.70
  6. Step 6: Final answer
    x = 62,742.06

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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.