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Finding the Fourth Proportional to 181,857.79, 272,611.72 and 93,153.07

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Solution

The fourth proportional to 181,857.79, 272,611.72 and 93,153.07 is: 139,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,857.79 : 272,611.72 = 93,153.07 : x
  2. Step 2: Convert to fraction form
    181,857.79/272,611.72 = 93,153.07/x
  3. Step 3: Cross multiply
    181,857.79x = 272,611.72 × 93,153.07
  4. Step 4: Simplify right side
    181,857.79x = 25,394,618,635.98
  5. Step 5: Solve for x
    x = 25,394,618,635.98/181,857.79
  6. Step 6: Final answer
    x = 139,639.98

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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.