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Finding the Fourth Proportional to 177,210.35, 265,614.37 and 155,821.67

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Solution

The fourth proportional to 177,210.35, 265,614.37 and 155,821.67 is: 233,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,210.35 : 265,614.37 = 155,821.67 : x
  2. Step 2: Convert to fraction form
    177,210.35/265,614.37 = 155,821.67/x
  3. Step 3: Cross multiply
    177,210.35x = 265,614.37 × 155,821.67
  4. Step 4: Simplify right side
    177,210.35x = 41,388,474,709.40
  5. Step 5: Solve for x
    x = 41,388,474,709.40/177,210.35
  6. Step 6: Final answer
    x = 233,555.63

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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.