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Finding the Fourth Proportional to 375,221.97, 562,891.25 and 125,962.29

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Solution

The fourth proportional to 375,221.97, 562,891.25 and 125,962.29 is: 188,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,221.97 : 562,891.25 = 125,962.29 : x
  2. Step 2: Convert to fraction form
    375,221.97/562,891.25 = 125,962.29/x
  3. Step 3: Cross multiply
    375,221.97x = 562,891.25 × 125,962.29
  4. Step 4: Simplify right side
    375,221.97x = 70,903,071,185.87
  5. Step 5: Solve for x
    x = 70,903,071,185.87/375,221.97
  6. Step 6: Final answer
    x = 188,963.01

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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.