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Finding the Fourth Proportional to 303,914.90, 455,872.35 and 93,617.30

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Solution

The fourth proportional to 303,914.90, 455,872.35 and 93,617.30 is: 140,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,914.90 : 455,872.35 = 93,617.30 : x
  2. Step 2: Convert to fraction form
    303,914.90/455,872.35 = 93,617.30/x
  3. Step 3: Cross multiply
    303,914.90x = 455,872.35 × 93,617.30
  4. Step 4: Simplify right side
    303,914.90x = 42,677,538,551.66
  5. Step 5: Solve for x
    x = 42,677,538,551.66/303,914.90
  6. Step 6: Final answer
    x = 140,425.95

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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.