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Finding the Fourth Proportional to 241,987.70, 363,054.45 and 172,003.70

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Solution

The fourth proportional to 241,987.70, 363,054.45 and 172,003.70 is: 258,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,987.70 : 363,054.45 = 172,003.70 : x
  2. Step 2: Convert to fraction form
    241,987.70/363,054.45 = 172,003.70/x
  3. Step 3: Cross multiply
    241,987.70x = 363,054.45 × 172,003.70
  4. Step 4: Simplify right side
    241,987.70x = 62,446,708,701.47
  5. Step 5: Solve for x
    x = 62,446,708,701.47/241,987.70
  6. Step 6: Final answer
    x = 258,057.37

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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.