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Finding the Fourth Proportional to 251,684.90, 377,585.73 and 83,195.00

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Solution

The fourth proportional to 251,684.90, 377,585.73 and 83,195.00 is: 124,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,684.90 : 377,585.73 = 83,195.00 : x
  2. Step 2: Convert to fraction form
    251,684.90/377,585.73 = 83,195.00/x
  3. Step 3: Cross multiply
    251,684.90x = 377,585.73 × 83,195.00
  4. Step 4: Simplify right side
    251,684.90x = 31,413,242,919.42
  5. Step 5: Solve for x
    x = 31,413,242,919.42/251,684.90
  6. Step 6: Final answer
    x = 124,811.79

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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.