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Finding the Fourth Proportional to 317,105.02, 475,606.88 and 92,412.89

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Solution

The fourth proportional to 317,105.02, 475,606.88 and 92,412.89 is: 138,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,105.02 : 475,606.88 = 92,412.89 : x
  2. Step 2: Convert to fraction form
    317,105.02/475,606.88 = 92,412.89/x
  3. Step 3: Cross multiply
    317,105.02x = 475,606.88 × 92,412.89
  4. Step 4: Simplify right side
    317,105.02x = 43,952,205,574.66
  5. Step 5: Solve for x
    x = 43,952,205,574.66/317,105.02
  6. Step 6: Final answer
    x = 138,604.57

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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.