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Finding the Fourth Proportional to 303,834.30, 455,751.45 and 93,471.90

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Solution

The fourth proportional to 303,834.30, 455,751.45 and 93,471.90 is: 140,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,834.30 : 455,751.45 = 93,471.90 : x
  2. Step 2: Convert to fraction form
    303,834.30/455,751.45 = 93,471.90/x
  3. Step 3: Cross multiply
    303,834.30x = 455,751.45 × 93,471.90
  4. Step 4: Simplify right side
    303,834.30x = 42,599,953,959.26
  5. Step 5: Solve for x
    x = 42,599,953,959.26/303,834.30
  6. Step 6: Final answer
    x = 140,207.85

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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.