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Finding the Fourth Proportional to 91,805.52, 137,666.73 and 32,642.76

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Solution

The fourth proportional to 91,805.52, 137,666.73 and 32,642.76 is: 48,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,805.52 : 137,666.73 = 32,642.76 : x
  2. Step 2: Convert to fraction form
    91,805.52/137,666.73 = 32,642.76/x
  3. Step 3: Cross multiply
    91,805.52x = 137,666.73 × 32,642.76
  4. Step 4: Simplify right side
    91,805.52x = 4,493,822,027.37
  5. Step 5: Solve for x
    x = 4,493,822,027.37/91,805.52
  6. Step 6: Final answer
    x = 48,949.37

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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.