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Finding the Fourth Proportional to 246,620.28, 369,932.99 and 86,700.69

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Solution

The fourth proportional to 246,620.28, 369,932.99 and 86,700.69 is: 130,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,620.28 : 369,932.99 = 86,700.69 : x
  2. Step 2: Convert to fraction form
    246,620.28/369,932.99 = 86,700.69/x
  3. Step 3: Cross multiply
    246,620.28x = 369,932.99 × 86,700.69
  4. Step 4: Simplify right side
    246,620.28x = 32,073,445,486.76
  5. Step 5: Solve for x
    x = 32,073,445,486.76/246,620.28
  6. Step 6: Final answer
    x = 130,051.94

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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.