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Finding the Fourth Proportional to 177,235.70, 265,983.15 and 118,051.70

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Solution

The fourth proportional to 177,235.70, 265,983.15 and 118,051.70 is: 177,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,235.70 : 265,983.15 = 118,051.70 : x
  2. Step 2: Convert to fraction form
    177,235.70/265,983.15 = 118,051.70/x
  3. Step 3: Cross multiply
    177,235.70x = 265,983.15 × 118,051.70
  4. Step 4: Simplify right side
    177,235.70x = 31,399,763,028.86
  5. Step 5: Solve for x
    x = 31,399,763,028.86/177,235.70
  6. Step 6: Final answer
    x = 177,163.87

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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.