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Finding the Fourth Proportional to 99,359.72, 149,007.96 and 32,787.44

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Solution

The fourth proportional to 99,359.72, 149,007.96 and 32,787.44 is: 49,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359.72 : 149,007.96 = 32,787.44 : x
  2. Step 2: Convert to fraction form
    99,359.72/149,007.96 = 32,787.44/x
  3. Step 3: Cross multiply
    99,359.72x = 149,007.96 × 32,787.44
  4. Step 4: Simplify right side
    99,359.72x = 4,885,588,802.98
  5. Step 5: Solve for x
    x = 4,885,588,802.98/99,359.72
  6. Step 6: Final answer
    x = 49,170.72

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1.5x scale

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.