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Finding the Fourth Proportional to 131,750.62, 181,903.66 and 88,794

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Solution

The fourth proportional to 131,750.62, 181,903.66 and 88,794 is: 122,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,750.62 : 181,903.66 = 88,794 : x
  2. Step 2: Convert to fraction form
    131,750.62/181,903.66 = 88,794/x
  3. Step 3: Cross multiply
    131,750.62x = 181,903.66 × 88,794
  4. Step 4: Simplify right side
    131,750.62x = 16,151,953,586.04
  5. Step 5: Solve for x
    x = 16,151,953,586.04/131,750.62
  6. Step 6: Final answer
    x = 122,594.90

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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.