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Finding the Fourth Proportional to 89,028.80, 133,834.80 and 62,914.40

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Solution

The fourth proportional to 89,028.80, 133,834.80 and 62,914.40 is: 94,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.80 : 133,834.80 = 62,914.40 : x
  2. Step 2: Convert to fraction form
    89,028.80/133,834.80 = 62,914.40/x
  3. Step 3: Cross multiply
    89,028.80x = 133,834.80 × 62,914.40
  4. Step 4: Simplify right side
    89,028.80x = 8,420,136,141.12
  5. Step 5: Solve for x
    x = 8,420,136,141.12/89,028.80
  6. Step 6: Final answer
    x = 94,577.67

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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.