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Finding the Fourth Proportional to 303,602.70, 455,404.05 and 93,251.10

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Solution

The fourth proportional to 303,602.70, 455,404.05 and 93,251.10 is: 139,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,602.70 : 455,404.05 = 93,251.10 : x
  2. Step 2: Convert to fraction form
    303,602.70/455,404.05 = 93,251.10/x
  3. Step 3: Cross multiply
    303,602.70x = 455,404.05 × 93,251.10
  4. Step 4: Simplify right side
    303,602.70x = 42,466,928,606.96
  5. Step 5: Solve for x
    x = 42,466,928,606.96/303,602.70
  6. Step 6: Final answer
    x = 139,876.65

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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.