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Finding the Fourth Proportional to 148,709.70, 223,210.35 and 73,914.30

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Solution

The fourth proportional to 148,709.70, 223,210.35 and 73,914.30 is: 110,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,709.70 : 223,210.35 = 73,914.30 : x
  2. Step 2: Convert to fraction form
    148,709.70/223,210.35 = 73,914.30/x
  3. Step 3: Cross multiply
    148,709.70x = 223,210.35 × 73,914.30
  4. Step 4: Simplify right side
    148,709.70x = 16,498,436,773.01
  5. Step 5: Solve for x
    x = 16,498,436,773.01/148,709.70
  6. Step 6: Final answer
    x = 110,943.92

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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.