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Finding the Fourth Proportional to 501,125.10, 751,760.55 and 164,108.40

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Solution

The fourth proportional to 501,125.10, 751,760.55 and 164,108.40 is: 246,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,125.10 : 751,760.55 = 164,108.40 : x
  2. Step 2: Convert to fraction form
    501,125.10/751,760.55 = 164,108.40/x
  3. Step 3: Cross multiply
    501,125.10x = 751,760.55 × 164,108.40
  4. Step 4: Simplify right side
    501,125.10x = 123,370,221,043.62
  5. Step 5: Solve for x
    x = 123,370,221,043.62/501,125.10
  6. Step 6: Final answer
    x = 246,186.47

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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.