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Finding the Fourth Proportional to 177,762.90, 266,790.15 and 171,930.90

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Solution

The fourth proportional to 177,762.90, 266,790.15 and 171,930.90 is: 258,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,762.90 : 266,790.15 = 171,930.90 : x
  2. Step 2: Convert to fraction form
    177,762.90/266,790.15 = 171,930.90/x
  3. Step 3: Cross multiply
    177,762.90x = 266,790.15 × 171,930.90
  4. Step 4: Simplify right side
    177,762.90x = 45,869,470,600.64
  5. Step 5: Solve for x
    x = 45,869,470,600.64/177,762.90
  6. Step 6: Final answer
    x = 258,037.37

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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.