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Finding the Fourth Proportional to 375,754.54, 563,627 and 91,445.58

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Solution

The fourth proportional to 375,754.54, 563,627 and 91,445.58 is: 137,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,754.54 : 563,627 = 91,445.58 : x
  2. Step 2: Convert to fraction form
    375,754.54/563,627 = 91,445.58/x
  3. Step 3: Cross multiply
    375,754.54x = 563,627 × 91,445.58
  4. Step 4: Simplify right side
    375,754.54x = 51,541,197,918.66
  5. Step 5: Solve for x
    x = 51,541,197,918.66/375,754.54
  6. Step 6: Final answer
    x = 137,167.20

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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.