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Finding the Fourth Proportional to 148,609.67, 222,931.42 and 53,884.47

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Solution

The fourth proportional to 148,609.67, 222,931.42 and 53,884.47 is: 80,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,609.67 : 222,931.42 = 53,884.47 : x
  2. Step 2: Convert to fraction form
    148,609.67/222,931.42 = 53,884.47/x
  3. Step 3: Cross multiply
    148,609.67x = 222,931.42 × 53,884.47
  4. Step 4: Simplify right side
    148,609.67x = 12,012,540,442.34
  5. Step 5: Solve for x
    x = 12,012,540,442.34/148,609.67
  6. Step 6: Final answer
    x = 80,832.83

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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.