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Finding the Fourth Proportional to 246,505.26, 369,798.76 and 86,539.67

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Solution

The fourth proportional to 246,505.26, 369,798.76 and 86,539.67 is: 129,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,505.26 : 369,798.76 = 86,539.67 : x
  2. Step 2: Convert to fraction form
    246,505.26/369,798.76 = 86,539.67/x
  3. Step 3: Cross multiply
    246,505.26x = 369,798.76 × 86,539.67
  4. Step 4: Simplify right side
    246,505.26x = 32,002,263,689.48
  5. Step 5: Solve for x
    x = 32,002,263,689.48/246,505.26
  6. Step 6: Final answer
    x = 129,823.86

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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.