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Finding the Fourth Proportional to 177,464.40, 266,196.60 and 107,480.40

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Solution

The fourth proportional to 177,464.40, 266,196.60 and 107,480.40 is: 161,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,464.40 : 266,196.60 = 107,480.40 : x
  2. Step 2: Convert to fraction form
    177,464.40/266,196.60 = 107,480.40/x
  3. Step 3: Cross multiply
    177,464.40x = 266,196.60 × 107,480.40
  4. Step 4: Simplify right side
    177,464.40x = 28,610,917,046.64
  5. Step 5: Solve for x
    x = 28,610,917,046.64/177,464.40
  6. Step 6: Final answer
    x = 161,220.60

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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.