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Finding the Fourth Proportional to 148,604.72, 222,941.06 and 64,378.89

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Solution

The fourth proportional to 148,604.72, 222,941.06 and 64,378.89 is: 96,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,604.72 : 222,941.06 = 64,378.89 : x
  2. Step 2: Convert to fraction form
    148,604.72/222,941.06 = 64,378.89/x
  3. Step 3: Cross multiply
    148,604.72x = 222,941.06 × 64,378.89
  4. Step 4: Simplify right side
    148,604.72x = 14,352,697,656.33
  5. Step 5: Solve for x
    x = 14,352,697,656.33/148,604.72
  6. Step 6: Final answer
    x = 96,583.06

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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.