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Finding the Fourth Proportional to 89,324.94, 133,790.58 and 49,783.98

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Solution

The fourth proportional to 89,324.94, 133,790.58 and 49,783.98 is: 74,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,324.94 : 133,790.58 = 49,783.98 : x
  2. Step 2: Convert to fraction form
    89,324.94/133,790.58 = 49,783.98/x
  3. Step 3: Cross multiply
    89,324.94x = 133,790.58 × 49,783.98
  4. Step 4: Simplify right side
    89,324.94x = 6,660,627,558.91
  5. Step 5: Solve for x
    x = 6,660,627,558.91/89,324.94
  6. Step 6: Final answer
    x = 74,566.27

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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.