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Finding the Fourth Proportional to 91,662.96, 137,491.92 and 29,332.56

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Solution

The fourth proportional to 91,662.96, 137,491.92 and 29,332.56 is: 43,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,662.96 : 137,491.92 = 29,332.56 : x
  2. Step 2: Convert to fraction form
    91,662.96/137,491.92 = 29,332.56/x
  3. Step 3: Cross multiply
    91,662.96x = 137,491.92 × 29,332.56
  4. Step 4: Simplify right side
    91,662.96x = 4,032,989,992.92
  5. Step 5: Solve for x
    x = 4,032,989,992.92/91,662.96
  6. Step 6: Final answer
    x = 43,998.03

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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.