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Finding the Fourth Proportional to 148,622.02, 222,978.39 and 47,417.38

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Solution

The fourth proportional to 148,622.02, 222,978.39 and 47,417.38 is: 71,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,622.02 : 222,978.39 = 47,417.38 : x
  2. Step 2: Convert to fraction form
    148,622.02/222,978.39 = 47,417.38/x
  3. Step 3: Cross multiply
    148,622.02x = 222,978.39 × 47,417.38
  4. Step 4: Simplify right side
    148,622.02x = 10,573,051,050.42
  5. Step 5: Solve for x
    x = 10,573,051,050.42/148,622.02
  6. Step 6: Final answer
    x = 71,140.54

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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.