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Finding the Fourth Proportional to 223,360.70, 335,429.85 and 118,384.70

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Solution

The fourth proportional to 223,360.70, 335,429.85 and 118,384.70 is: 177,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,360.70 : 335,429.85 = 118,384.70 : x
  2. Step 2: Convert to fraction form
    223,360.70/335,429.85 = 118,384.70/x
  3. Step 3: Cross multiply
    223,360.70x = 335,429.85 × 118,384.70
  4. Step 4: Simplify right side
    223,360.70x = 39,709,762,163.30
  5. Step 5: Solve for x
    x = 39,709,762,163.30/223,360.70
  6. Step 6: Final answer
    x = 177,783.12

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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.