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Finding the Fourth Proportional to 176,687.88, 243,824.88 and 101,231.52

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Solution

The fourth proportional to 176,687.88, 243,824.88 and 101,231.52 is: 139,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,687.88 : 243,824.88 = 101,231.52 : x
  2. Step 2: Convert to fraction form
    176,687.88/243,824.88 = 101,231.52/x
  3. Step 3: Cross multiply
    176,687.88x = 243,824.88 × 101,231.52
  4. Step 4: Simplify right side
    176,687.88x = 24,682,763,216.22
  5. Step 5: Solve for x
    x = 24,682,763,216.22/176,687.88
  6. Step 6: Final answer
    x = 139,696.98

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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.