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Finding the Fourth Proportional to 89,520.93, 123,538.93 and 49,237.43

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Solution

The fourth proportional to 89,520.93, 123,538.93 and 49,237.43 is: 67,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.93 : 123,538.93 = 49,237.43 : x
  2. Step 2: Convert to fraction form
    89,520.93/123,538.93 = 49,237.43/x
  3. Step 3: Cross multiply
    89,520.93x = 123,538.93 × 49,237.43
  4. Step 4: Simplify right side
    89,520.93x = 6,082,738,677.36
  5. Step 5: Solve for x
    x = 6,082,738,677.36/89,520.93
  6. Step 6: Final answer
    x = 67,947.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.