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Finding the Fourth Proportional to 250,752.89, 376,128.03 and 61,214.27

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Solution

The fourth proportional to 250,752.89, 376,128.03 and 61,214.27 is: 91,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,752.89 : 376,128.03 = 61,214.27 : x
  2. Step 2: Convert to fraction form
    250,752.89/376,128.03 = 61,214.27/x
  3. Step 3: Cross multiply
    250,752.89x = 376,128.03 × 61,214.27
  4. Step 4: Simplify right side
    250,752.89x = 23,024,400,902.35
  5. Step 5: Solve for x
    x = 23,024,400,902.35/250,752.89
  6. Step 6: Final answer
    x = 91,821.08

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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.