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Finding the Fourth Proportional to 250,608.86, 375,982.65 and 115,714.20

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Solution

The fourth proportional to 250,608.86, 375,982.65 and 115,714.20 is: 173,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,608.86 : 375,982.65 = 115,714.20 : x
  2. Step 2: Convert to fraction form
    250,608.86/375,982.65 = 115,714.20/x
  3. Step 3: Cross multiply
    250,608.86x = 375,982.65 × 115,714.20
  4. Step 4: Simplify right side
    250,608.86x = 43,506,531,558.63
  5. Step 5: Solve for x
    x = 43,506,531,558.63/250,608.86
  6. Step 6: Final answer
    x = 173,603.33

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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.