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Finding the Fourth Proportional to 178,535.85, 267,803.49 and 73,280.67

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Solution

The fourth proportional to 178,535.85, 267,803.49 and 73,280.67 is: 109,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,535.85 : 267,803.49 = 73,280.67 : x
  2. Step 2: Convert to fraction form
    178,535.85/267,803.49 = 73,280.67/x
  3. Step 3: Cross multiply
    178,535.85x = 267,803.49 × 73,280.67
  4. Step 4: Simplify right side
    178,535.85x = 19,624,819,175.54
  5. Step 5: Solve for x
    x = 19,624,819,175.54/178,535.85
  6. Step 6: Final answer
    x = 109,920.89

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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.