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Finding the Fourth Proportional to 148,516.70, 222,775.05 and 89,467.70

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Solution

The fourth proportional to 148,516.70, 222,775.05 and 89,467.70 is: 134,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,516.70 : 222,775.05 = 89,467.70 : x
  2. Step 2: Convert to fraction form
    148,516.70/222,775.05 = 89,467.70/x
  3. Step 3: Cross multiply
    148,516.70x = 222,775.05 × 89,467.70
  4. Step 4: Simplify right side
    148,516.70x = 19,931,171,340.89
  5. Step 5: Solve for x
    x = 19,931,171,340.89/148,516.70
  6. Step 6: Final answer
    x = 134,201.55

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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.