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Finding the Fourth Proportional to 303,716.52, 455,618.34 and 93,372.12

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Solution

The fourth proportional to 303,716.52, 455,618.34 and 93,372.12 is: 140,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,716.52 : 455,618.34 = 93,372.12 : x
  2. Step 2: Convert to fraction form
    303,716.52/455,618.34 = 93,372.12/x
  3. Step 3: Cross multiply
    303,716.52x = 455,618.34 × 93,372.12
  4. Step 4: Simplify right side
    303,716.52x = 42,542,050,316.68
  5. Step 5: Solve for x
    x = 42,542,050,316.68/303,716.52
  6. Step 6: Final answer
    x = 140,071.57

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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.