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Finding the Fourth Proportional to 148,442.88, 222,703.20 and 73,560

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Solution

The fourth proportional to 148,442.88, 222,703.20 and 73,560 is: 110,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,442.88 : 222,703.20 = 73,560 : x
  2. Step 2: Convert to fraction form
    148,442.88/222,703.20 = 73,560/x
  3. Step 3: Cross multiply
    148,442.88x = 222,703.20 × 73,560
  4. Step 4: Simplify right side
    148,442.88x = 16,382,047,392
  5. Step 5: Solve for x
    x = 16,382,047,392/148,442.88
  6. Step 6: Final answer
    x = 110,359.27

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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.