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Finding the Fourth Proportional to 176,672.80, 264,361.20 and 130,016.80

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Solution

The fourth proportional to 176,672.80, 264,361.20 and 130,016.80 is: 194,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,672.80 : 264,361.20 = 130,016.80 : x
  2. Step 2: Convert to fraction form
    176,672.80/264,361.20 = 130,016.80/x
  3. Step 3: Cross multiply
    176,672.80x = 264,361.20 × 130,016.80
  4. Step 4: Simplify right side
    176,672.80x = 34,371,397,268.16
  5. Step 5: Solve for x
    x = 34,371,397,268.16/176,672.80
  6. Step 6: Final answer
    x = 194,548.32

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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.