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Finding the Fourth Proportional to 375,414.66, 563,117.31 and 91,107.59

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Solution

The fourth proportional to 375,414.66, 563,117.31 and 91,107.59 is: 136,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,414.66 : 563,117.31 = 91,107.59 : x
  2. Step 2: Convert to fraction form
    375,414.66/563,117.31 = 91,107.59/x
  3. Step 3: Cross multiply
    375,414.66x = 563,117.31 × 91,107.59
  4. Step 4: Simplify right side
    375,414.66x = 51,304,258,185.80
  5. Step 5: Solve for x
    x = 51,304,258,185.80/375,414.66
  6. Step 6: Final answer
    x = 136,660.24

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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.