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Finding the Fourth Proportional to 91,491.96, 137,249.01 and 32,315.52

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Solution

The fourth proportional to 91,491.96, 137,249.01 and 32,315.52 is: 48,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,491.96 : 137,249.01 = 32,315.52 : x
  2. Step 2: Convert to fraction form
    91,491.96/137,249.01 = 32,315.52/x
  3. Step 3: Cross multiply
    91,491.96x = 137,249.01 × 32,315.52
  4. Step 4: Simplify right side
    91,491.96x = 4,435,273,127.64
  5. Step 5: Solve for x
    x = 4,435,273,127.64/91,491.96
  6. Step 6: Final answer
    x = 48,477.19

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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.