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Finding the Fourth Proportional to 246,833.81, 370,250.72 and 86,872.07

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Solution

The fourth proportional to 246,833.81, 370,250.72 and 86,872.07 is: 130,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,833.81 : 370,250.72 = 86,872.07 : x
  2. Step 2: Convert to fraction form
    246,833.81/370,250.72 = 86,872.07/x
  3. Step 3: Cross multiply
    246,833.81x = 370,250.72 × 86,872.07
  4. Step 4: Simplify right side
    246,833.81x = 32,164,446,485.42
  5. Step 5: Solve for x
    x = 32,164,446,485.42/246,833.81
  6. Step 6: Final answer
    x = 130,308.11

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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.