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Finding the Fourth Proportional to 245,689.43, 368,532.92 and 95,944.92

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Solution

The fourth proportional to 245,689.43, 368,532.92 and 95,944.92 is: 143,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,689.43 : 368,532.92 = 95,944.92 : x
  2. Step 2: Convert to fraction form
    245,689.43/368,532.92 = 95,944.92/x
  3. Step 3: Cross multiply
    245,689.43x = 368,532.92 × 95,944.92
  4. Step 4: Simplify right side
    245,689.43x = 35,358,861,047.04
  5. Step 5: Solve for x
    x = 35,358,861,047.04/245,689.43
  6. Step 6: Final answer
    x = 143,916.90

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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.