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Finding the Fourth Proportional to 268,001.85, 401,917.41 and 88,045.50

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Solution

The fourth proportional to 268,001.85, 401,917.41 and 88,045.50 is: 132,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,001.85 : 401,917.41 = 88,045.50 : x
  2. Step 2: Convert to fraction form
    268,001.85/401,917.41 = 88,045.50/x
  3. Step 3: Cross multiply
    268,001.85x = 401,917.41 × 88,045.50
  4. Step 4: Simplify right side
    268,001.85x = 35,387,019,542.27
  5. Step 5: Solve for x
    x = 35,387,019,542.27/268,001.85
  6. Step 6: Final answer
    x = 132,040.21

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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.