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Finding the Fourth Proportional to 375,456.22, 563,179.21 and 91,148.96

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Solution

The fourth proportional to 375,456.22, 563,179.21 and 91,148.96 is: 136,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,456.22 : 563,179.21 = 91,148.96 : x
  2. Step 2: Convert to fraction form
    375,456.22/563,179.21 = 91,148.96/x
  3. Step 3: Cross multiply
    375,456.22x = 563,179.21 × 91,148.96
  4. Step 4: Simplify right side
    375,456.22x = 51,333,199,285.12
  5. Step 5: Solve for x
    x = 51,333,199,285.12/375,456.22
  6. Step 6: Final answer
    x = 136,722.20

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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.