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Finding the Fourth Proportional to 237,009.80, 355,385.10 and 96,609.80

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Solution

The fourth proportional to 237,009.80, 355,385.10 and 96,609.80 is: 144,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,009.80 : 355,385.10 = 96,609.80 : x
  2. Step 2: Convert to fraction form
    237,009.80/355,385.10 = 96,609.80/x
  3. Step 3: Cross multiply
    237,009.80x = 355,385.10 × 96,609.80
  4. Step 4: Simplify right side
    237,009.80x = 34,333,683,433.98
  5. Step 5: Solve for x
    x = 34,333,683,433.98/237,009.80
  6. Step 6: Final answer
    x = 144,861.87

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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.