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Finding the Fourth Proportional to 303,823.28, 455,694.96 and 93,443.60

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Solution

The fourth proportional to 303,823.28, 455,694.96 and 93,443.60 is: 140,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,823.28 : 455,694.96 = 93,443.60 : x
  2. Step 2: Convert to fraction form
    303,823.28/455,694.96 = 93,443.60/x
  3. Step 3: Cross multiply
    303,823.28x = 455,694.96 × 93,443.60
  4. Step 4: Simplify right side
    303,823.28x = 42,581,777,564.26
  5. Step 5: Solve for x
    x = 42,581,777,564.26/303,823.28
  6. Step 6: Final answer
    x = 140,153.11

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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.