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Finding the Fourth Proportional to 250,503.45, 375,661.82 and 100,693.25

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Solution

The fourth proportional to 250,503.45, 375,661.82 and 100,693.25 is: 151,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,503.45 : 375,661.82 = 100,693.25 : x
  2. Step 2: Convert to fraction form
    250,503.45/375,661.82 = 100,693.25/x
  3. Step 3: Cross multiply
    250,503.45x = 375,661.82 × 100,693.25
  4. Step 4: Simplify right side
    250,503.45x = 37,826,607,174.94
  5. Step 5: Solve for x
    x = 37,826,607,174.94/250,503.45
  6. Step 6: Final answer
    x = 151,002.34

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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.