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Finding the Fourth Proportional to 317,300.50, 475,903.99 and 104,090.91

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Solution

The fourth proportional to 317,300.50, 475,903.99 and 104,090.91 is: 156,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,300.50 : 475,903.99 = 104,090.91 : x
  2. Step 2: Convert to fraction form
    317,300.50/475,903.99 = 104,090.91/x
  3. Step 3: Cross multiply
    317,300.50x = 475,903.99 × 104,090.91
  4. Step 4: Simplify right side
    317,300.50x = 49,537,279,391.73
  5. Step 5: Solve for x
    x = 49,537,279,391.73/317,300.50
  6. Step 6: Final answer
    x = 156,121.03

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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.