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Finding the Fourth Proportional to 303,901.53, 455,858.16 and 93,539.25

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Solution

The fourth proportional to 303,901.53, 455,858.16 and 93,539.25 is: 140,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.53 : 455,858.16 = 93,539.25 : x
  2. Step 2: Convert to fraction form
    303,901.53/455,858.16 = 93,539.25/x
  3. Step 3: Cross multiply
    303,901.53x = 455,858.16 × 93,539.25
  4. Step 4: Simplify right side
    303,901.53x = 42,640,630,392.78
  5. Step 5: Solve for x
    x = 42,640,630,392.78/303,901.53
  6. Step 6: Final answer
    x = 140,310.68

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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.