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Finding the Fourth Proportional to 301,671.73, 416,320.07 and 172,650.70

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Solution

The fourth proportional to 301,671.73, 416,320.07 and 172,650.70 is: 238,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,671.73 : 416,320.07 = 172,650.70 : x
  2. Step 2: Convert to fraction form
    301,671.73/416,320.07 = 172,650.70/x
  3. Step 3: Cross multiply
    301,671.73x = 416,320.07 × 172,650.70
  4. Step 4: Simplify right side
    301,671.73x = 71,877,950,646.30
  5. Step 5: Solve for x
    x = 71,877,950,646.30/301,671.73
  6. Step 6: Final answer
    x = 238,265.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.