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Finding the Fourth Proportional to 89,277.88, 133,656.72 and 47,057.44

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Solution

The fourth proportional to 89,277.88, 133,656.72 and 47,057.44 is: 70,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,277.88 : 133,656.72 = 47,057.44 : x
  2. Step 2: Convert to fraction form
    89,277.88/133,656.72 = 47,057.44/x
  3. Step 3: Cross multiply
    89,277.88x = 133,656.72 × 47,057.44
  4. Step 4: Simplify right side
    89,277.88x = 6,289,543,082.00
  5. Step 5: Solve for x
    x = 6,289,543,082.00/89,277.88
  6. Step 6: Final answer
    x = 70,449.06

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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.