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Finding the Fourth Proportional to 130,787.92, 196,159.92 and 37,271.44

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Solution

The fourth proportional to 130,787.92, 196,159.92 and 37,271.44 is: 55,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,787.92 : 196,159.92 = 37,271.44 : x
  2. Step 2: Convert to fraction form
    130,787.92/196,159.92 = 37,271.44/x
  3. Step 3: Cross multiply
    130,787.92x = 196,159.92 × 37,271.44
  4. Step 4: Simplify right side
    130,787.92x = 7,311,162,688.68
  5. Step 5: Solve for x
    x = 7,311,162,688.68/130,787.92
  6. Step 6: Final answer
    x = 55,900.90

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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.