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Finding the Fourth Proportional to 303,800.96, 455,689.92 and 93,433.16

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Solution

The fourth proportional to 303,800.96, 455,689.92 and 93,433.16 is: 140,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,800.96 : 455,689.92 = 93,433.16 : x
  2. Step 2: Convert to fraction form
    303,800.96/455,689.92 = 93,433.16/x
  3. Step 3: Cross multiply
    303,800.96x = 455,689.92 × 93,433.16
  4. Step 4: Simplify right side
    303,800.96x = 42,576,549,205.75
  5. Step 5: Solve for x
    x = 42,576,549,205.75/303,800.96
  6. Step 6: Final answer
    x = 140,146.20

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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.