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Finding the Fourth Proportional to 351,226.54, 526,839.83 and 84,987.05

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Solution

The fourth proportional to 351,226.54, 526,839.83 and 84,987.05 is: 127,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,226.54 : 526,839.83 = 84,987.05 : x
  2. Step 2: Convert to fraction form
    351,226.54/526,839.83 = 84,987.05/x
  3. Step 3: Cross multiply
    351,226.54x = 526,839.83 × 84,987.05
  4. Step 4: Simplify right side
    351,226.54x = 44,774,564,503.77
  5. Step 5: Solve for x
    x = 44,774,564,503.77/351,226.54
  6. Step 6: Final answer
    x = 127,480.59

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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.