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Finding the Fourth Proportional to 178,369.25, 246,114.87 and 105,758.72

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Solution

The fourth proportional to 178,369.25, 246,114.87 and 105,758.72 is: 145,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,369.25 : 246,114.87 = 105,758.72 : x
  2. Step 2: Convert to fraction form
    178,369.25/246,114.87 = 105,758.72/x
  3. Step 3: Cross multiply
    178,369.25x = 246,114.87 × 105,758.72
  4. Step 4: Simplify right side
    178,369.25x = 26,028,792,393.59
  5. Step 5: Solve for x
    x = 26,028,792,393.59/178,369.25
  6. Step 6: Final answer
    x = 145,926.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.