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Finding the Fourth Proportional to 358,787.70, 537,994.68 and 133,963.24

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Solution

The fourth proportional to 358,787.70, 537,994.68 and 133,963.24 is: 200,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,787.70 : 537,994.68 = 133,963.24 : x
  2. Step 2: Convert to fraction form
    358,787.70/537,994.68 = 133,963.24/x
  3. Step 3: Cross multiply
    358,787.70x = 537,994.68 × 133,963.24
  4. Step 4: Simplify right side
    358,787.70x = 72,071,510,435.56
  5. Step 5: Solve for x
    x = 72,071,510,435.56/358,787.70
  6. Step 6: Final answer
    x = 200,875.09

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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.