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Finding the Fourth Proportional to 177,346.64, 266,019.96 and 118,297.64

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Solution

The fourth proportional to 177,346.64, 266,019.96 and 118,297.64 is: 177,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,346.64 : 266,019.96 = 118,297.64 : x
  2. Step 2: Convert to fraction form
    177,346.64/266,019.96 = 118,297.64/x
  3. Step 3: Cross multiply
    177,346.64x = 266,019.96 × 118,297.64
  4. Step 4: Simplify right side
    177,346.64x = 31,469,533,460.89
  5. Step 5: Solve for x
    x = 31,469,533,460.89/177,346.64
  6. Step 6: Final answer
    x = 177,446.46

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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.